8z+4z-18=9z-12-1z+1

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Solution for 8z+4z-18=9z-12-1z+1 equation:


Simplifying
8z + 4z + -18 = 9z + -12 + -1z + 1

Reorder the terms:
-18 + 8z + 4z = 9z + -12 + -1z + 1

Combine like terms: 8z + 4z = 12z
-18 + 12z = 9z + -12 + -1z + 1

Reorder the terms:
-18 + 12z = -12 + 1 + 9z + -1z

Combine like terms: -12 + 1 = -11
-18 + 12z = -11 + 9z + -1z

Combine like terms: 9z + -1z = 8z
-18 + 12z = -11 + 8z

Solving
-18 + 12z = -11 + 8z

Solving for variable 'z'.

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

Add '-8z' to each side of the equation.
-18 + 12z + -8z = -11 + 8z + -8z

Combine like terms: 12z + -8z = 4z
-18 + 4z = -11 + 8z + -8z

Combine like terms: 8z + -8z = 0
-18 + 4z = -11 + 0
-18 + 4z = -11

Add '18' to each side of the equation.
-18 + 18 + 4z = -11 + 18

Combine like terms: -18 + 18 = 0
0 + 4z = -11 + 18
4z = -11 + 18

Combine like terms: -11 + 18 = 7
4z = 7

Divide each side by '4'.
z = 1.75

Simplifying
z = 1.75

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