7z-18=-2z+18

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


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

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

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

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

Solving for variable 'z'.

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

Add '2z' to each side of the equation.
-18 + 7z + 2z = 18 + -2z + 2z

Combine like terms: 7z + 2z = 9z
-18 + 9z = 18 + -2z + 2z

Combine like terms: -2z + 2z = 0
-18 + 9z = 18 + 0
-18 + 9z = 18

Add '18' to each side of the equation.
-18 + 18 + 9z = 18 + 18

Combine like terms: -18 + 18 = 0
0 + 9z = 18 + 18
9z = 18 + 18

Combine like terms: 18 + 18 = 36
9z = 36

Divide each side by '9'.
z = 4

Simplifying
z = 4

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