-3(y+7)=-8y-31

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Solution for -3(y+7)=-8y-31 equation:


Simplifying
-3(y + 7) = -8y + -31

Reorder the terms:
-3(7 + y) = -8y + -31
(7 * -3 + y * -3) = -8y + -31
(-21 + -3y) = -8y + -31

Reorder the terms:
-21 + -3y = -31 + -8y

Solving
-21 + -3y = -31 + -8y

Solving for variable 'y'.

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

Add '8y' to each side of the equation.
-21 + -3y + 8y = -31 + -8y + 8y

Combine like terms: -3y + 8y = 5y
-21 + 5y = -31 + -8y + 8y

Combine like terms: -8y + 8y = 0
-21 + 5y = -31 + 0
-21 + 5y = -31

Add '21' to each side of the equation.
-21 + 21 + 5y = -31 + 21

Combine like terms: -21 + 21 = 0
0 + 5y = -31 + 21
5y = -31 + 21

Combine like terms: -31 + 21 = -10
5y = -10

Divide each side by '5'.
y = -2

Simplifying
y = -2

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