2x-15+2x=9-12

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Solution for 2x-15+2x=9-12 equation:



2x-15+2x=9-12
We move all terms to the left:
2x-15+2x-(9-12)=0
We add all the numbers together, and all the variables
2x+2x-15-(-3)=0
We add all the numbers together, and all the variables
4x-12=0
We move all terms containing x to the left, all other terms to the right
4x=12
x=12/4
x=3

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