3(x+7)+6=18

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Solution for 3(x+7)+6=18 equation:



3(x+7)+6=18
We move all terms to the left:
3(x+7)+6-(18)=0
We add all the numbers together, and all the variables
3(x+7)-12=0
We multiply parentheses
3x+21-12=0
We add all the numbers together, and all the variables
3x+9=0
We move all terms containing x to the left, all other terms to the right
3x=-9
x=-9/3
x=-3

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