-7(y+3)=-8y

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


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

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

Solving
-21 + -7y = -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 + -7y + 8y = -8y + 8y

Combine like terms: -7y + 8y = 1y
-21 + 1y = -8y + 8y

Combine like terms: -8y + 8y = 0
-21 + 1y = 0

Add '21' to each side of the equation.
-21 + 21 + 1y = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 1y = 0 + 21
1y = 0 + 21

Combine like terms: 0 + 21 = 21
1y = 21

Divide each side by '1'.
y = 21

Simplifying
y = 21

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