2y+18=12-7(y+7)

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Solution for 2y+18=12-7(y+7) equation: 


Simplifying
2y + 18 = 12 + -7(y + 7)

Reorder the terms:
18 + 2y = 12 + -7(y + 7)

Reorder the terms:
18 + 2y = 12 + -7(7 + y)
18 + 2y = 12 + (7 * -7 + y * -7)
18 + 2y = 12 + (-49 + -7y)

Combine like terms: 12 + -49 = -37
18 + 2y = -37 + -7y

Solving
18 + 2y = -37 + -7y

Solving for variable 'y'.

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

Add '7y' to each side of the equation.
18 + 2y + 7y = -37 + -7y + 7y

Combine like terms: 2y + 7y = 9y
18 + 9y = -37 + -7y + 7y

Combine like terms: -7y + 7y = 0
18 + 9y = -37 + 0
18 + 9y = -37

Add '-18' to each side of the equation.
18 + -18 + 9y = -37 + -18

Combine like terms: 18 + -18 = 0
0 + 9y = -37 + -18
9y = -37 + -18

Combine like terms: -37 + -18 = -55
9y = -55

Divide each side by '9'.
y = -6.111111111

Simplifying
y = -6.111111111

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