18+19z-20=-20+17z

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Solution for 18+19z-20=-20+17z equation:


Simplifying
18 + 19z + -20 = -20 + 17z

Reorder the terms:
18 + -20 + 19z = -20 + 17z

Combine like terms: 18 + -20 = -2
-2 + 19z = -20 + 17z

Solving
-2 + 19z = -20 + 17z

Solving for variable 'z'.

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

Add '-17z' to each side of the equation.
-2 + 19z + -17z = -20 + 17z + -17z

Combine like terms: 19z + -17z = 2z
-2 + 2z = -20 + 17z + -17z

Combine like terms: 17z + -17z = 0
-2 + 2z = -20 + 0
-2 + 2z = -20

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

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

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

Divide each side by '2'.
z = -9

Simplifying
z = -9

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