3(1+7x)+6=135

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Solution for 3(1+7x)+6=135 equation: 



3(1+7x)+6=135

We move all terms to the left:

3(1+7x)+6-(135)=0

We add all the numbers together, and all the variables

3(7x+1)+6-135=0

We add all the numbers together, and all the variables

3(7x+1)-129=0

We multiply parentheses

21x+3-129=0

We add all the numbers together, and all the variables

21x-126=0

We move all terms containing x to the left, all other terms to the right

21x=126

x=126/21

x=6

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