(9-z)/5=7z

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Solution for (9-z)/5=7z equation:



(9-z)/5=7z
We move all terms to the left:
(9-z)/5-(7z)=0
We add all the numbers together, and all the variables
(-1z+9)/5-7z=0
We add all the numbers together, and all the variables
-7z+(-1z+9)/5=0
We multiply all the terms by the denominator
-7z*5+(-1z+9)=0
Wy multiply elements
-35z+(-1z+9)=0
We get rid of parentheses
-35z-1z+9=0
We add all the numbers together, and all the variables
-36z+9=0
We move all terms containing z to the left, all other terms to the right
-36z=-9
z=-9/-36
z=1/4

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