45(y+15)=18(y+45)

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Solution for 45(y+15)=18(y+45) equation:


Simplifying
45(y + 15) = 18(y + 45)

Reorder the terms:
45(15 + y) = 18(y + 45)
(15 * 45 + y * 45) = 18(y + 45)
(675 + 45y) = 18(y + 45)

Reorder the terms:
675 + 45y = 18(45 + y)
675 + 45y = (45 * 18 + y * 18)
675 + 45y = (810 + 18y)

Solving
675 + 45y = 810 + 18y

Solving for variable 'y'.

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

Add '-18y' to each side of the equation.
675 + 45y + -18y = 810 + 18y + -18y

Combine like terms: 45y + -18y = 27y
675 + 27y = 810 + 18y + -18y

Combine like terms: 18y + -18y = 0
675 + 27y = 810 + 0
675 + 27y = 810

Add '-675' to each side of the equation.
675 + -675 + 27y = 810 + -675

Combine like terms: 675 + -675 = 0
0 + 27y = 810 + -675
27y = 810 + -675

Combine like terms: 810 + -675 = 135
27y = 135

Divide each side by '27'.
y = 5

Simplifying
y = 5

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