15z-18=20z+5

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Solution for 15z-18=20z+5 equation:


Simplifying
15z + -18 = 20z + 5

Reorder the terms:
-18 + 15z = 20z + 5

Reorder the terms:
-18 + 15z = 5 + 20z

Solving
-18 + 15z = 5 + 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 + 15z + -20z = 5 + 20z + -20z

Combine like terms: 15z + -20z = -5z
-18 + -5z = 5 + 20z + -20z

Combine like terms: 20z + -20z = 0
-18 + -5z = 5 + 0
-18 + -5z = 5

Add '18' to each side of the equation.
-18 + 18 + -5z = 5 + 18

Combine like terms: -18 + 18 = 0
0 + -5z = 5 + 18
-5z = 5 + 18

Combine like terms: 5 + 18 = 23
-5z = 23

Divide each side by '-5'.
z = -4.6

Simplifying
z = -4.6

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