-(7y-58)-8y=-77

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Solution for -(7y-58)-8y=-77 equation:


Simplifying
-1(7y + -58) + -8y = -77

Reorder the terms:
-1(-58 + 7y) + -8y = -77
(-58 * -1 + 7y * -1) + -8y = -77
(58 + -7y) + -8y = -77

Combine like terms: -7y + -8y = -15y
58 + -15y = -77

Solving
58 + -15y = -77

Solving for variable 'y'.

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

Add '-58' to each side of the equation.
58 + -58 + -15y = -77 + -58

Combine like terms: 58 + -58 = 0
0 + -15y = -77 + -58
-15y = -77 + -58

Combine like terms: -77 + -58 = -135
-15y = -135

Divide each side by '-15'.
y = 9

Simplifying
y = 9

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