-1y+15=4y-9

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Solution for -1y+15=4y-9 equation:


Simplifying
-1y + 15 = 4y + -9

Reorder the terms:
15 + -1y = 4y + -9

Reorder the terms:
15 + -1y = -9 + 4y

Solving
15 + -1y = -9 + 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
15 + -1y + -4y = -9 + 4y + -4y

Combine like terms: -1y + -4y = -5y
15 + -5y = -9 + 4y + -4y

Combine like terms: 4y + -4y = 0
15 + -5y = -9 + 0
15 + -5y = -9

Add '-15' to each side of the equation.
15 + -15 + -5y = -9 + -15

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

Combine like terms: -9 + -15 = -24
-5y = -24

Divide each side by '-5'.
y = 4.8

Simplifying
y = 4.8

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