4x+3x=3-12

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Solution for 4x+3x=3-12 equation: 



4x+3x=3-12

We move all terms to the left:

4x+3x-(3-12)=0

We add all the numbers together, and all the variables

4x+3x-(-9)=0

We add all the numbers together, and all the variables

7x+9=0

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

7x=-9

x=-9/7

x=-1+2/7

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