81-54y=6y+4(9-6y)

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Solution for 81-54y=6y+4(9-6y) equation:


Simplifying
81 + -54y = 6y + 4(9 + -6y)
81 + -54y = 6y + (9 * 4 + -6y * 4)
81 + -54y = 6y + (36 + -24y)

Reorder the terms:
81 + -54y = 36 + 6y + -24y

Combine like terms: 6y + -24y = -18y
81 + -54y = 36 + -18y

Solving
81 + -54y = 36 + -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.
81 + -54y + 18y = 36 + -18y + 18y

Combine like terms: -54y + 18y = -36y
81 + -36y = 36 + -18y + 18y

Combine like terms: -18y + 18y = 0
81 + -36y = 36 + 0
81 + -36y = 36

Add '-81' to each side of the equation.
81 + -81 + -36y = 36 + -81

Combine like terms: 81 + -81 = 0
0 + -36y = 36 + -81
-36y = 36 + -81

Combine like terms: 36 + -81 = -45
-36y = -45

Divide each side by '-36'.
y = 1.25

Simplifying
y = 1.25

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