-7x+4=-9x

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



-7x+4=-9x

We move all terms to the left:

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

We get rid of parentheses

-7x+9x+4=0

We add all the numbers together, and all the variables

2x+4=0

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

2x=-4

x=-4/2

x=-2

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