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4x/9-7=-15
We move all terms to the left:
4x/9-7-(-15)=0
We add all the numbers together, and all the variables
4x/9+8=0
We multiply all the terms by the denominator
4x+8*9=0
We add all the numbers together, and all the variables
4x+72=0
We move all terms containing x to the left, all other terms to the right
4x=-72
x=-72/4
x=-18
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