15x+20=-3x+4

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Solution for 15x+20=-3x+4 equation: 



15x+20=-3x+4

We move all terms to the left:

15x+20-(-3x+4)=0

We get rid of parentheses

15x+3x-4+20=0

We add all the numbers together, and all the variables

18x+16=0

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

18x=-16

x=-16/18

x=-8/9

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