8y+15=4y-5

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Solution for 8y+15=4y-5 equation:


Simplifying
8y + 15 = 4y + -5

Reorder the terms:
15 + 8y = 4y + -5

Reorder the terms:
15 + 8y = -5 + 4y

Solving
15 + 8y = -5 + 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 + 8y + -4y = -5 + 4y + -4y

Combine like terms: 8y + -4y = 4y
15 + 4y = -5 + 4y + -4y

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

Add '-15' to each side of the equation.
15 + -15 + 4y = -5 + -15

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

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

Divide each side by '4'.
y = -5

Simplifying
y = -5

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