-6y+18=9(y+7)

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Solution for -6y+18=9(y+7) equation:


Simplifying
-6y + 18 = 9(y + 7)

Reorder the terms:
18 + -6y = 9(y + 7)

Reorder the terms:
18 + -6y = 9(7 + y)
18 + -6y = (7 * 9 + y * 9)
18 + -6y = (63 + 9y)

Solving
18 + -6y = 63 + 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
18 + -6y + -9y = 63 + 9y + -9y

Combine like terms: -6y + -9y = -15y
18 + -15y = 63 + 9y + -9y

Combine like terms: 9y + -9y = 0
18 + -15y = 63 + 0
18 + -15y = 63

Add '-18' to each side of the equation.
18 + -18 + -15y = 63 + -18

Combine like terms: 18 + -18 = 0
0 + -15y = 63 + -18
-15y = 63 + -18

Combine like terms: 63 + -18 = 45
-15y = 45

Divide each side by '-15'.
y = -3

Simplifying
y = -3

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