8z-4=2z+5

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Solution for 8z-4=2z+5 equation:


Simplifying
8z + -4 = 2z + 5

Reorder the terms:
-4 + 8z = 2z + 5

Reorder the terms:
-4 + 8z = 5 + 2z

Solving
-4 + 8z = 5 + 2z

Solving for variable 'z'.

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

Add '-2z' to each side of the equation.
-4 + 8z + -2z = 5 + 2z + -2z

Combine like terms: 8z + -2z = 6z
-4 + 6z = 5 + 2z + -2z

Combine like terms: 2z + -2z = 0
-4 + 6z = 5 + 0
-4 + 6z = 5

Add '4' to each side of the equation.
-4 + 4 + 6z = 5 + 4

Combine like terms: -4 + 4 = 0
0 + 6z = 5 + 4
6z = 5 + 4

Combine like terms: 5 + 4 = 9
6z = 9

Divide each side by '6'.
z = 1.5

Simplifying
z = 1.5

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