9x+20+142=7x-6

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Solution for 9x+20+142=7x-6 equation: 



9x+20+142=7x-6

We move all terms to the left:

9x+20+142-(7x-6)=0

We add all the numbers together, and all the variables

9x-(7x-6)+162=0

We get rid of parentheses

9x-7x+6+162=0

We add all the numbers together, and all the variables

2x+168=0

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

2x=-168

x=-168/2

x=-84

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