4x+x=3-15

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Solution for 4x+x=3-15 equation: 



4x+x=3-15

We move all terms to the left:

4x+x-(3-15)=0

We add all the numbers together, and all the variables

4x+x-(-12)=0

We add all the numbers together, and all the variables

5x+12=0

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

5x=-12

x=-12/5

x=-2+2/5

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