-18-18z=20-20z

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Solution for -18-18z=20-20z equation:


Simplifying
-18 + -18z = 20 + -20z

Solving
-18 + -18z = 20 + -20z

Solving for variable 'z'.

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

Add '20z' to each side of the equation.
-18 + -18z + 20z = 20 + -20z + 20z

Combine like terms: -18z + 20z = 2z
-18 + 2z = 20 + -20z + 20z

Combine like terms: -20z + 20z = 0
-18 + 2z = 20 + 0
-18 + 2z = 20

Add '18' to each side of the equation.
-18 + 18 + 2z = 20 + 18

Combine like terms: -18 + 18 = 0
0 + 2z = 20 + 18
2z = 20 + 18

Combine like terms: 20 + 18 = 38
2z = 38

Divide each side by '2'.
z = 19

Simplifying
z = 19

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