7y+15=2y-2

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Solution for 7y+15=2y-2 equation:


Simplifying
7y + 15 = 2y + -2

Reorder the terms:
15 + 7y = 2y + -2

Reorder the terms:
15 + 7y = -2 + 2y

Solving
15 + 7y = -2 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
15 + 7y + -2y = -2 + 2y + -2y

Combine like terms: 7y + -2y = 5y
15 + 5y = -2 + 2y + -2y

Combine like terms: 2y + -2y = 0
15 + 5y = -2 + 0
15 + 5y = -2

Add '-15' to each side of the equation.
15 + -15 + 5y = -2 + -15

Combine like terms: 15 + -15 = 0
0 + 5y = -2 + -15
5y = -2 + -15

Combine like terms: -2 + -15 = -17
5y = -17

Divide each side by '5'.
y = -3.4

Simplifying
y = -3.4

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