7x+3.5x+20=-25

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Solution for 7x+3.5x+20=-25 equation: 



7x+3.5x+20=-25

We move all terms to the left:

7x+3.5x+20-(-25)=0

We add all the numbers together, and all the variables

10.5x+45=0

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

10.5x=-45

x=-45/10.5

x=-4+3/10.5

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