7x+4+8x=-15

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Solution for 7x+4+8x=-15 equation: 



7x+4+8x=-15

We move all terms to the left:

7x+4+8x-(-15)=0

We add all the numbers together, and all the variables

15x+19=0

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

15x=-19

x=-19/15

x=-1+4/15

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