4z-15=8z-27

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Solution for 4z-15=8z-27 equation:


Simplifying
4z + -15 = 8z + -27

Reorder the terms:
-15 + 4z = 8z + -27

Reorder the terms:
-15 + 4z = -27 + 8z

Solving
-15 + 4z = -27 + 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.
-15 + 4z + -8z = -27 + 8z + -8z

Combine like terms: 4z + -8z = -4z
-15 + -4z = -27 + 8z + -8z

Combine like terms: 8z + -8z = 0
-15 + -4z = -27 + 0
-15 + -4z = -27

Add '15' to each side of the equation.
-15 + 15 + -4z = -27 + 15

Combine like terms: -15 + 15 = 0
0 + -4z = -27 + 15
-4z = -27 + 15

Combine like terms: -27 + 15 = -12
-4z = -12

Divide each side by '-4'.
z = 3

Simplifying
z = 3

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