4(z+7)-5=8z+7

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Solution for 4(z+7)-5=8z+7 equation:


Simplifying
4(z + 7) + -5 = 8z + 7

Reorder the terms:
4(7 + z) + -5 = 8z + 7
(7 * 4 + z * 4) + -5 = 8z + 7
(28 + 4z) + -5 = 8z + 7

Reorder the terms:
28 + -5 + 4z = 8z + 7

Combine like terms: 28 + -5 = 23
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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