-7a+4=158

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Solution for -7a+4=158 equation: 



-7a+4=158

We move all terms to the left:

-7a+4-(158)=0

We add all the numbers together, and all the variables

-7a-154=0

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

-7a=154

a=154/-7

a=-22

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