4z-23=8z-7

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Solution for 4z-23=8z-7 equation:


Simplifying
4z + -23 = 8z + -7

Reorder the terms:
-23 + 4z = 8z + -7

Reorder the terms:
-23 + 4z = -7 + 8z

Solving
-23 + 4z = -7 + 8z

Solving for variable 'z'.

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

Add '-8z' to each side of the equation.
-23 + 4z + -8z = -7 + 8z + -8z

Combine like terms: 4z + -8z = -4z
-23 + -4z = -7 + 8z + -8z

Combine like terms: 8z + -8z = 0
-23 + -4z = -7 + 0
-23 + -4z = -7

Add '23' to each side of the equation.
-23 + 23 + -4z = -7 + 23

Combine like terms: -23 + 23 = 0
0 + -4z = -7 + 23
-4z = -7 + 23

Combine like terms: -7 + 23 = 16
-4z = 16

Divide each side by '-4'.
z = -4

Simplifying
z = -4

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