-83z-71=z-(-91)

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Solution for -83z-71=z-(-91) equation:


Simplifying
-83z + -71 = z + -1(-91)

Reorder the terms:
-71 + -83z = z + -1(-91)

Multiply -1 * -91
-71 + -83z = z + 91

Reorder the terms:
-71 + -83z = 91 + z

Solving
-71 + -83z = 91 + z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
-71 + -83z + -1z = 91 + z + -1z

Combine like terms: -83z + -1z = -84z
-71 + -84z = 91 + z + -1z

Combine like terms: z + -1z = 0
-71 + -84z = 91 + 0
-71 + -84z = 91

Add '71' to each side of the equation.
-71 + 71 + -84z = 91 + 71

Combine like terms: -71 + 71 = 0
0 + -84z = 91 + 71
-84z = 91 + 71

Combine like terms: 91 + 71 = 162
-84z = 162

Divide each side by '-84'.
z = -1.928571429

Simplifying
z = -1.928571429

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