7z-3+15=-15z

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Solution for 7z-3+15=-15z equation:


Simplifying
7z + -3 + 15 = -15z

Reorder the terms:
-3 + 15 + 7z = -15z

Combine like terms: -3 + 15 = 12
12 + 7z = -15z

Solving
12 + 7z = -15z

Solving for variable 'z'.

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

Add '15z' to each side of the equation.
12 + 7z + 15z = -15z + 15z

Combine like terms: 7z + 15z = 22z
12 + 22z = -15z + 15z

Combine like terms: -15z + 15z = 0
12 + 22z = 0

Add '-12' to each side of the equation.
12 + -12 + 22z = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 22z = 0 + -12
22z = 0 + -12

Combine like terms: 0 + -12 = -12
22z = -12

Divide each side by '22'.
z = -0.5454545455

Simplifying
z = -0.5454545455

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