3(7-x)=40

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Solution for 3(7-x)=40 equation:



3(7-x)=40
We move all terms to the left:
3(7-x)-(40)=0
We add all the numbers together, and all the variables
3(-1x+7)-40=0
We multiply parentheses
-3x+21-40=0
We add all the numbers together, and all the variables
-3x-19=0
We move all terms containing x to the left, all other terms to the right
-3x=19
x=19/-3
x=-6+1/3

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