7-5z=15+5z

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Solution for 7-5z=15+5z equation:


Simplifying
7 + -5z = 15 + 5z

Solving
7 + -5z = 15 + 5z

Solving for variable 'z'.

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

Add '-5z' to each side of the equation.
7 + -5z + -5z = 15 + 5z + -5z

Combine like terms: -5z + -5z = -10z
7 + -10z = 15 + 5z + -5z

Combine like terms: 5z + -5z = 0
7 + -10z = 15 + 0
7 + -10z = 15

Add '-7' to each side of the equation.
7 + -7 + -10z = 15 + -7

Combine like terms: 7 + -7 = 0
0 + -10z = 15 + -7
-10z = 15 + -7

Combine like terms: 15 + -7 = 8
-10z = 8

Divide each side by '-10'.
z = -0.8

Simplifying
z = -0.8

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