7x+9=5x-7x=

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Solution for 7x+9=5x-7x= equation:



7x+9=5x-7x=
We move all terms to the left:
7x+9-(5x-7x)=0
We add all the numbers together, and all the variables
7x-(-2x)+9=0
We get rid of parentheses
7x+2x+9=0
We add all the numbers together, and all the variables
9x+9=0
We move all terms containing x to the left, all other terms to the right
9x=-9
x=-9/9
x=-1

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