7z-2=5z-18

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Solution for 7z-2=5z-18 equation:


Simplifying
7z + -2 = 5z + -18

Reorder the terms:
-2 + 7z = 5z + -18

Reorder the terms:
-2 + 7z = -18 + 5z

Solving
-2 + 7z = -18 + 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.
-2 + 7z + -5z = -18 + 5z + -5z

Combine like terms: 7z + -5z = 2z
-2 + 2z = -18 + 5z + -5z

Combine like terms: 5z + -5z = 0
-2 + 2z = -18 + 0
-2 + 2z = -18

Add '2' to each side of the equation.
-2 + 2 + 2z = -18 + 2

Combine like terms: -2 + 2 = 0
0 + 2z = -18 + 2
2z = -18 + 2

Combine like terms: -18 + 2 = -16
2z = -16

Divide each side by '2'.
z = -8

Simplifying
z = -8

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