3x+4x=1-8

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Solution for 3x+4x=1-8 equation: 



3x+4x=1-8

We move all terms to the left:

3x+4x-(1-8)=0

We add all the numbers together, and all the variables

3x+4x-(-7)=0

We add all the numbers together, and all the variables

7x+7=0

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

7x=-7

x=-7/7

x=-1

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