(X+3)+(8x-9)=7x+4

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Solution for (X+3)+(8x-9)=7x+4 equation: 



(X+3)+(8X-9)=7X+4

We move all terms to the left:

(X+3)+(8X-9)-(7X+4)=0

We get rid of parentheses

X+8X-7X+3-9-4=0

We add all the numbers together, and all the variables

2X-10=0

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

2X=10

X=10/2

X=5

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