4x+3=-x+15

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



4x+3=-x+15

We move all terms to the left:

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

We add all the numbers together, and all the variables

4x-(-1x+15)+3=0

We get rid of parentheses

4x+1x-15+3=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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