9(y-5)=-4y(4)

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Solution for 9(y-5)=-4y(4) equation:


Simplifying
9(y + -5) = -4y(4)

Reorder the terms:
9(-5 + y) = -4y(4)
(-5 * 9 + y * 9) = -4y(4)
(-45 + 9y) = -4y(4)

Reorder the terms for easier multiplication:
-45 + 9y = -4 * 4y

Multiply -4 * 4
-45 + 9y = -16y

Solving
-45 + 9y = -16y

Solving for variable 'y'.

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

Add '16y' to each side of the equation.
-45 + 9y + 16y = -16y + 16y

Combine like terms: 9y + 16y = 25y
-45 + 25y = -16y + 16y

Combine like terms: -16y + 16y = 0
-45 + 25y = 0

Add '45' to each side of the equation.
-45 + 45 + 25y = 0 + 45

Combine like terms: -45 + 45 = 0
0 + 25y = 0 + 45
25y = 0 + 45

Combine like terms: 0 + 45 = 45
25y = 45

Divide each side by '25'.
y = 1.8

Simplifying
y = 1.8

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