142=-9x+7

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Solution for 142=-9x+7 equation: 



142=-9x+7

We move all terms to the left:

142-(-9x+7)=0

We get rid of parentheses

9x-7+142=0

We add all the numbers together, and all the variables

9x+135=0

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

9x=-135

x=-135/9

x=-15

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