-7x=9-15/4

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Solution for -7x=9-15/4 equation:



-7x=9-15/4
We move all terms to the left:
-7x-(9-15/4)=0
We add all the numbers together, and all the variables
-7x-(-15/4+9)=0
We get rid of parentheses
-7x-9+15/4=0
We multiply all the terms by the denominator
-7x*4+15-9*4=0
We add all the numbers together, and all the variables
-7x*4-21=0
Wy multiply elements
-28x-21=0
We move all terms containing x to the left, all other terms to the right
-28x=21
x=21/-28
x=-3/4

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