5z-8(100-z)=40-z

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Solution for 5z-8(100-z)=40-z equation:


Simplifying
5z + -8(100 + -1z) = 40 + -1z
5z + (100 * -8 + -1z * -8) = 40 + -1z
5z + (-800 + 8z) = 40 + -1z

Reorder the terms:
-800 + 5z + 8z = 40 + -1z

Combine like terms: 5z + 8z = 13z
-800 + 13z = 40 + -1z

Solving
-800 + 13z = 40 + -1z

Solving for variable 'z'.

Move all terms containing z to the left, all other terms to the right.

Add 'z' to each side of the equation.
-800 + 13z + z = 40 + -1z + z

Combine like terms: 13z + z = 14z
-800 + 14z = 40 + -1z + z

Combine like terms: -1z + z = 0
-800 + 14z = 40 + 0
-800 + 14z = 40

Add '800' to each side of the equation.
-800 + 800 + 14z = 40 + 800

Combine like terms: -800 + 800 = 0
0 + 14z = 40 + 800
14z = 40 + 800

Combine like terms: 40 + 800 = 840
14z = 840

Divide each side by '14'.
z = 60

Simplifying
z = 60

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