20+7x=-15

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Solution for 20+7x=-15 equation: 



20+7x=-15

We move all terms to the left:

20+7x-(-15)=0

We add all the numbers together, and all the variables

7x+35=0

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

7x=-35

x=-35/7

x=-5

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