4(y-5)=9y+15

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Solution for 4(y-5)=9y+15 equation:


Simplifying
4(y + -5) = 9y + 15

Reorder the terms:
4(-5 + y) = 9y + 15
(-5 * 4 + y * 4) = 9y + 15
(-20 + 4y) = 9y + 15

Reorder the terms:
-20 + 4y = 15 + 9y

Solving
-20 + 4y = 15 + 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.
-20 + 4y + -9y = 15 + 9y + -9y

Combine like terms: 4y + -9y = -5y
-20 + -5y = 15 + 9y + -9y

Combine like terms: 9y + -9y = 0
-20 + -5y = 15 + 0
-20 + -5y = 15

Add '20' to each side of the equation.
-20 + 20 + -5y = 15 + 20

Combine like terms: -20 + 20 = 0
0 + -5y = 15 + 20
-5y = 15 + 20

Combine like terms: 15 + 20 = 35
-5y = 35

Divide each side by '-5'.
y = -7

Simplifying
y = -7

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