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4 Cards in this Set

  • Front
  • Back
What is X in this equation?

2x+9=4x-3
2x+9=4x-3
2x+9-9=4x-3-9
2x-4x=4x-4x-12
-2x/-2=-12/-2
x=6
What is X in this equation?

(x2)3=36
(x2)3=36
(x2)(3/3)=36/3
x2/2=12/2
x=6
What is X in this equation?

9+(16/4)+6-(10*10)=x
9+(16/4)+6-(10*10)=x
9+4+6-100=x
19-100=x
-81=x
What is X in this equation?

x+9-2=3+2x-1
x+9-2=3+2x-1
x-x+9-2=3+2x-x-1
9-2-3=3-3+x-1
4+1=x-1+1
5=x