9z+18=8z+11

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Solution for 9z+18=8z+11 equation:


Simplifying
9z + 18 = 8z + 11

Reorder the terms:
18 + 9z = 8z + 11

Reorder the terms:
18 + 9z = 11 + 8z

Solving
18 + 9z = 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 + 9z + -8z = 11 + 8z + -8z

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

Combine like terms: 8z + -8z = 0
18 + 1z = 11 + 0
18 + 1z = 11

Add '-18' to each side of the equation.
18 + -18 + 1z = 11 + -18

Combine like terms: 18 + -18 = 0
0 + 1z = 11 + -18
1z = 11 + -18

Combine like terms: 11 + -18 = -7
1z = -7

Divide each side by '1'.
z = -7

Simplifying
z = -7

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