8+2x+15=3-x

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Solution for 8+2x+15=3-x equation: 



8+2x+15=3-x

We move all terms to the left:

8+2x+15-(3-x)=0

We add all the numbers together, and all the variables

2x-(-1x+3)+8+15=0

We add all the numbers together, and all the variables

2x-(-1x+3)+23=0

We get rid of parentheses

2x+1x-3+23=0

We add all the numbers together, and all the variables

3x+20=0

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

3x=-20

x=-20/3

x=-6+2/3

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