-4=z/5-7

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Solution for -4=z/5-7 equation:



-4=z/5-7
We move all terms to the left:
-4-(z/5-7)=0
We get rid of parentheses
-z/5+7-4=0
We multiply all the terms by the denominator
-z+7*5-4*5=0
We add all the numbers together, and all the variables
-1z+15=0
We move all terms containing z to the left, all other terms to the right
-z=-15
z=-15/-1
z=+15

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