(3+x)*7=63

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Solution for (3+x)*7=63 equation:



(3+x)*7=63
We move all terms to the left:
(3+x)*7-(63)=0
We add all the numbers together, and all the variables
(x+3)*7-63=0
We multiply parentheses
7x+21-63=0
We add all the numbers together, and all the variables
7x-42=0
We move all terms containing x to the left, all other terms to the right
7x=42
x=42/7
x=6

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