7z-3=-15z-15

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


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

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

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

Solving
-3 + 7z = -15 + -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.
-3 + 7z + 15z = -15 + -15z + 15z

Combine like terms: 7z + 15z = 22z
-3 + 22z = -15 + -15z + 15z

Combine like terms: -15z + 15z = 0
-3 + 22z = -15 + 0
-3 + 22z = -15

Add '3' to each side of the equation.
-3 + 3 + 22z = -15 + 3

Combine like terms: -3 + 3 = 0
0 + 22z = -15 + 3
22z = -15 + 3

Combine like terms: -15 + 3 = -12
22z = -12

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

Simplifying
z = -0.5454545455

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