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15 Cards in this Set
- Front
- Back
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How do you move x terms to one side?
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you add or subtract the appropriate x term on the other side
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True or False: An x term can only appear on one side of an equation.
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FALSE
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True or False: To solve an equation with x terms on both sides, we move all the x terms to the same side of the equation.
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TRUE
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You can move an x term to the other side of an equation by subtracting the same term from both sides.
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TRUE
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7 = 3(x - 1) + 4(x-1)
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2
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3[x+(-2)] - 2x = -1
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5
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The jogger has already burned 225 calories today and is burning calories at the rate of 250 per hour. The fast walker has burned 275 and is burning at a rate of 200 per hour. How many hours will it be before they've burned the same number of calories?
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1 hour
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True or False: When moving an x term from one side to another, its usually easier to subtract rather than add the opposite.
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FALSE
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True or False: You can avoid a negative coefficient on the combined x term by moving the terms to the side with the larger coefficient.
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TRUE
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Simplify: (2/9)(-3x)(-6)
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-4x
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x + 4/9 = 2x
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4/17
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Trevor has just writing a book. He has 2 options: get $20,000 and 8% of the sales OR $50,000 and 5% of the sales. How much do the sales need to be for Trevor to make the same $ on each option?
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1 million dollars!
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32(x+1) = 27x
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- 32/5
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5x - [2(x-10) + 3] = 8
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-3
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Louise walked past Thurman at a speed of 2 feet per second. After 5 seconds, Thurman started after her at a speed of 4 feet per second. How many seconds did it take Thurman to catch Louise?
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5 seconds
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