40x+80=-129

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Solution for 40x+80=-129 equation: 



40x+80=-129

We move all terms to the left:

40x+80-(-129)=0

We add all the numbers together, and all the variables

40x+209=0

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

40x=-209

x=-209/40

x=-5+9/40

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