4x-7=-123-9x

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Solution for 4x-7=-123-9x equation: 



4x-7=-123-9x

We move all terms to the left:

4x-7-(-123-9x)=0

We add all the numbers together, and all the variables

4x-(-9x-123)-7=0

We get rid of parentheses

4x+9x+123-7=0

We add all the numbers together, and all the variables

13x+116=0

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

13x=-116

x=-116/13

x=-8+12/13

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