8-3z=15+4z

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Solution for 8-3z=15+4z equation:


Simplifying
8 + -3z = 15 + 4z

Solving
8 + -3z = 15 + 4z

Solving for variable 'z'.

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

Add '-4z' to each side of the equation.
8 + -3z + -4z = 15 + 4z + -4z

Combine like terms: -3z + -4z = -7z
8 + -7z = 15 + 4z + -4z

Combine like terms: 4z + -4z = 0
8 + -7z = 15 + 0
8 + -7z = 15

Add '-8' to each side of the equation.
8 + -8 + -7z = 15 + -8

Combine like terms: 8 + -8 = 0
0 + -7z = 15 + -8
-7z = 15 + -8

Combine like terms: 15 + -8 = 7
-7z = 7

Divide each side by '-7'.
z = -1

Simplifying
z = -1

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