15z-5-4z-4=4z+4

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Solution for 15z-5-4z-4=4z+4 equation:


Simplifying
15z + -5 + -4z + -4 = 4z + 4

Reorder the terms:
-5 + -4 + 15z + -4z = 4z + 4

Combine like terms: -5 + -4 = -9
-9 + 15z + -4z = 4z + 4

Combine like terms: 15z + -4z = 11z
-9 + 11z = 4z + 4

Reorder the terms:
-9 + 11z = 4 + 4z

Solving
-9 + 11z = 4 + 4z

Solving for variable 'z'.

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

Add '-4z' to each side of the equation.
-9 + 11z + -4z = 4 + 4z + -4z

Combine like terms: 11z + -4z = 7z
-9 + 7z = 4 + 4z + -4z

Combine like terms: 4z + -4z = 0
-9 + 7z = 4 + 0
-9 + 7z = 4

Add '9' to each side of the equation.
-9 + 9 + 7z = 4 + 9

Combine like terms: -9 + 9 = 0
0 + 7z = 4 + 9
7z = 4 + 9

Combine like terms: 4 + 9 = 13
7z = 13

Divide each side by '7'.
z = 1.857142857

Simplifying
z = 1.857142857

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