18-8(y+2)=2(y-9)

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Solution for 18-8(y+2)=2(y-9) equation:


Simplifying
18 + -8(y + 2) = 2(y + -9)

Reorder the terms:
18 + -8(2 + y) = 2(y + -9)
18 + (2 * -8 + y * -8) = 2(y + -9)
18 + (-16 + -8y) = 2(y + -9)

Combine like terms: 18 + -16 = 2
2 + -8y = 2(y + -9)

Reorder the terms:
2 + -8y = 2(-9 + y)
2 + -8y = (-9 * 2 + y * 2)
2 + -8y = (-18 + 2y)

Solving
2 + -8y = -18 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
2 + -8y + -2y = -18 + 2y + -2y

Combine like terms: -8y + -2y = -10y
2 + -10y = -18 + 2y + -2y

Combine like terms: 2y + -2y = 0
2 + -10y = -18 + 0
2 + -10y = -18

Add '-2' to each side of the equation.
2 + -2 + -10y = -18 + -2

Combine like terms: 2 + -2 = 0
0 + -10y = -18 + -2
-10y = -18 + -2

Combine like terms: -18 + -2 = -20
-10y = -20

Divide each side by '-10'.
y = 2

Simplifying
y = 2

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