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8(4-z)/7=z
We move all terms to the left:
8(4-z)/7-(z)=0
We add all the numbers together, and all the variables
8(-1z+4)/7-z=0
We add all the numbers together, and all the variables
-1z+8(-1z+4)/7=0
We multiply all the terms by the denominator
-1z*7+8(-1z+4)=0
We multiply parentheses
-1z*7-8z+32=0
Wy multiply elements
-7z-8z+32=0
We add all the numbers together, and all the variables
-15z+32=0
We move all terms containing z to the left, all other terms to the right
-15z=-32
z=-32/-15
z=2+2/15
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