5x+4x=-20

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Solution for 5x+4x=-20 equation: 



5x+4x=-20

We move all terms to the left:

5x+4x-(-20)=0

We add all the numbers together, and all the variables

9x+20=0

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

9x=-20

x=-20/9

x=-2+2/9

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