-90(z-87)=z-(-82)

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Solution for -90(z-87)=z-(-82) equation:


Simplifying
-90(z + -87) = z + -1(-82)

Reorder the terms:
-90(-87 + z) = z + -1(-82)
(-87 * -90 + z * -90) = z + -1(-82)
(7830 + -90z) = z + -1(-82)

Multiply -1 * -82
7830 + -90z = z + 82

Reorder the terms:
7830 + -90z = 82 + z

Solving
7830 + -90z = 82 + 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.
7830 + -90z + -1z = 82 + z + -1z

Combine like terms: -90z + -1z = -91z
7830 + -91z = 82 + z + -1z

Combine like terms: z + -1z = 0
7830 + -91z = 82 + 0
7830 + -91z = 82

Add '-7830' to each side of the equation.
7830 + -7830 + -91z = 82 + -7830

Combine like terms: 7830 + -7830 = 0
0 + -91z = 82 + -7830
-91z = 82 + -7830

Combine like terms: 82 + -7830 = -7748
-91z = -7748

Divide each side by '-91'.
z = 85.14285714

Simplifying
z = 85.14285714

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