12y+9(2y+16)=-16+20y

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Solution for 12y+9(2y+16)=-16+20y equation:


Simplifying
12y + 9(2y + 16) = -16 + 20y

Reorder the terms:
12y + 9(16 + 2y) = -16 + 20y
12y + (16 * 9 + 2y * 9) = -16 + 20y
12y + (144 + 18y) = -16 + 20y

Reorder the terms:
144 + 12y + 18y = -16 + 20y

Combine like terms: 12y + 18y = 30y
144 + 30y = -16 + 20y

Solving
144 + 30y = -16 + 20y

Solving for variable 'y'.

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

Add '-20y' to each side of the equation.
144 + 30y + -20y = -16 + 20y + -20y

Combine like terms: 30y + -20y = 10y
144 + 10y = -16 + 20y + -20y

Combine like terms: 20y + -20y = 0
144 + 10y = -16 + 0
144 + 10y = -16

Add '-144' to each side of the equation.
144 + -144 + 10y = -16 + -144

Combine like terms: 144 + -144 = 0
0 + 10y = -16 + -144
10y = -16 + -144

Combine like terms: -16 + -144 = -160
10y = -160

Divide each side by '10'.
y = -16

Simplifying
y = -16

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