4y+8=2(y+9)

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Solution for 4y+8=2(y+9) equation:


Simplifying
4y + 8 = 2(y + 9)

Reorder the terms:
8 + 4y = 2(y + 9)

Reorder the terms:
8 + 4y = 2(9 + y)
8 + 4y = (9 * 2 + y * 2)
8 + 4y = (18 + 2y)

Solving
8 + 4y = 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.
8 + 4y + -2y = 18 + 2y + -2y

Combine like terms: 4y + -2y = 2y
8 + 2y = 18 + 2y + -2y

Combine like terms: 2y + -2y = 0
8 + 2y = 18 + 0
8 + 2y = 18

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

Combine like terms: 8 + -8 = 0
0 + 2y = 18 + -8
2y = 18 + -8

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

Divide each side by '2'.
y = 5

Simplifying
y = 5

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