42x-7+8=-15

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Solution for 42x-7+8=-15 equation: 



42x-7+8=-15

We move all terms to the left:

42x-7+8-(-15)=0

We add all the numbers together, and all the variables

42x+16=0

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

42x=-16

x=-16/42

x=-8/21

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