129-2y=5(2y-3)

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Solution for 129-2y=5(2y-3) equation:


Simplifying
129 + -2y = 5(2y + -3)

Reorder the terms:
129 + -2y = 5(-3 + 2y)
129 + -2y = (-3 * 5 + 2y * 5)
129 + -2y = (-15 + 10y)

Solving
129 + -2y = -15 + 10y

Solving for variable 'y'.

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

Add '-10y' to each side of the equation.
129 + -2y + -10y = -15 + 10y + -10y

Combine like terms: -2y + -10y = -12y
129 + -12y = -15 + 10y + -10y

Combine like terms: 10y + -10y = 0
129 + -12y = -15 + 0
129 + -12y = -15

Add '-129' to each side of the equation.
129 + -129 + -12y = -15 + -129

Combine like terms: 129 + -129 = 0
0 + -12y = -15 + -129
-12y = -15 + -129

Combine like terms: -15 + -129 = -144
-12y = -144

Divide each side by '-12'.
y = 12

Simplifying
y = 12

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