3(2x+7)-15=x-4

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Solution for 3(2x+7)-15=x-4 equation:



3(2x+7)-15=x-4
We move all terms to the left:
3(2x+7)-15-(x-4)=0
We multiply parentheses
6x-(x-4)+21-15=0
We get rid of parentheses
6x-x+4+21-15=0
We add all the numbers together, and all the variables
5x+10=0
We move all terms containing x to the left, all other terms to the right
5x=-10
x=-10/5
x=-2

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