40v+40=-40v-40

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Solution for 40v+40=-40v-40 equation: 



40v+40=-40v-40

We move all terms to the left:

40v+40-(-40v-40)=0

We get rid of parentheses

40v+40v+40+40=0

We add all the numbers together, and all the variables

80v+80=0

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

80v=-80

v=-80/80

v=-1

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