z+128=-6z+9

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Solution for z+128=-6z+9 equation:


Simplifying
z + 128 = -6z + 9

Reorder the terms:
128 + z = -6z + 9

Reorder the terms:
128 + z = 9 + -6z

Solving
128 + z = 9 + -6z

Solving for variable 'z'.

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

Add '6z' to each side of the equation.
128 + z + 6z = 9 + -6z + 6z

Combine like terms: z + 6z = 7z
128 + 7z = 9 + -6z + 6z

Combine like terms: -6z + 6z = 0
128 + 7z = 9 + 0
128 + 7z = 9

Add '-128' to each side of the equation.
128 + -128 + 7z = 9 + -128

Combine like terms: 128 + -128 = 0
0 + 7z = 9 + -128
7z = 9 + -128

Combine like terms: 9 + -128 = -119
7z = -119

Divide each side by '7'.
z = -17

Simplifying
z = -17

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