10(6+3x)+9=129

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Solution for 10(6+3x)+9=129 equation: 



10(6+3x)+9=129

We move all terms to the left:

10(6+3x)+9-(129)=0

We add all the numbers together, and all the variables

10(3x+6)+9-129=0

We add all the numbers together, and all the variables

10(3x+6)-120=0

We multiply parentheses

30x+60-120=0

We add all the numbers together, and all the variables

30x-60=0

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

30x=60

x=60/30

x=2

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