-31=-7y+2(y+2)

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Solution for -31=-7y+2(y+2) equation:


Simplifying
-31 = -7y + 2(y + 2)

Reorder the terms:
-31 = -7y + 2(2 + y)
-31 = -7y + (2 * 2 + y * 2)
-31 = -7y + (4 + 2y)

Reorder the terms:
-31 = 4 + -7y + 2y

Combine like terms: -7y + 2y = -5y
-31 = 4 + -5y

Solving
-31 = 4 + -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.
-31 + 5y = 4 + -5y + 5y

Combine like terms: -5y + 5y = 0
-31 + 5y = 4 + 0
-31 + 5y = 4

Add '31' to each side of the equation.
-31 + 31 + 5y = 4 + 31

Combine like terms: -31 + 31 = 0
0 + 5y = 4 + 31
5y = 4 + 31

Combine like terms: 4 + 31 = 35
5y = 35

Divide each side by '5'.
y = 7

Simplifying
y = 7

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