-15=-7y+2(y+5)

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Solution for -15=-7y+2(y+5) equation:


Simplifying
-15 = -7y + 2(y + 5)

Reorder the terms:
-15 = -7y + 2(5 + y)
-15 = -7y + (5 * 2 + y * 2)
-15 = -7y + (10 + 2y)

Reorder the terms:
-15 = 10 + -7y + 2y

Combine like terms: -7y + 2y = -5y
-15 = 10 + -5y

Solving
-15 = 10 + -5y

Solving for variable 'y'.

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

Add '5y' to each side of the equation.
-15 + 5y = 10 + -5y + 5y

Combine like terms: -5y + 5y = 0
-15 + 5y = 10 + 0
-15 + 5y = 10

Add '15' to each side of the equation.
-15 + 15 + 5y = 10 + 15

Combine like terms: -15 + 15 = 0
0 + 5y = 10 + 15
5y = 10 + 15

Combine like terms: 10 + 15 = 25
5y = 25

Divide each side by '5'.
y = 5

Simplifying
y = 5

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