3x+7=-80

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Solution for 3x+7=-80 equation: 



3x+7=-80

We move all terms to the left:

3x+7-(-80)=0

We add all the numbers together, and all the variables

3x+87=0

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

3x=-87

x=-87/3

x=-29

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