4y-8=15y+91

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Solution for 4y-8=15y+91 equation:


Simplifying
4y + -8 = 15y + 91

Reorder the terms:
-8 + 4y = 15y + 91

Reorder the terms:
-8 + 4y = 91 + 15y

Solving
-8 + 4y = 91 + 15y

Solving for variable 'y'.

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

Add '-15y' to each side of the equation.
-8 + 4y + -15y = 91 + 15y + -15y

Combine like terms: 4y + -15y = -11y
-8 + -11y = 91 + 15y + -15y

Combine like terms: 15y + -15y = 0
-8 + -11y = 91 + 0
-8 + -11y = 91

Add '8' to each side of the equation.
-8 + 8 + -11y = 91 + 8

Combine like terms: -8 + 8 = 0
0 + -11y = 91 + 8
-11y = 91 + 8

Combine like terms: 91 + 8 = 99
-11y = 99

Divide each side by '-11'.
y = -9

Simplifying
y = -9

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