8y-15=4y+15

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


Simplifying
8y + -15 = 4y + 15

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

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

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

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

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

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

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

Combine like terms: 15 + 15 = 30
4y = 30

Divide each side by '4'.
y = 7.5

Simplifying
y = 7.5

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