7x-4+x=7+9x

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



7x-4+x=7+9x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

8x-(9x+7)-4=0

We get rid of parentheses

8x-9x-7-4=0

We add all the numbers together, and all the variables

-1x-11=0

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

-x=11

x=11/-1

x=-11

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