18z-20=9z+1-3z

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Solution for 18z-20=9z+1-3z equation:


Simplifying
18z + -20 = 9z + 1 + -3z

Reorder the terms:
-20 + 18z = 9z + 1 + -3z

Reorder the terms:
-20 + 18z = 1 + 9z + -3z

Combine like terms: 9z + -3z = 6z
-20 + 18z = 1 + 6z

Solving
-20 + 18z = 1 + 6z

Solving for variable 'z'.

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

Add '-6z' to each side of the equation.
-20 + 18z + -6z = 1 + 6z + -6z

Combine like terms: 18z + -6z = 12z
-20 + 12z = 1 + 6z + -6z

Combine like terms: 6z + -6z = 0
-20 + 12z = 1 + 0
-20 + 12z = 1

Add '20' to each side of the equation.
-20 + 20 + 12z = 1 + 20

Combine like terms: -20 + 20 = 0
0 + 12z = 1 + 20
12z = 1 + 20

Combine like terms: 1 + 20 = 21
12z = 21

Divide each side by '12'.
z = 1.75

Simplifying
z = 1.75

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