-57=-3(y+7)

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Solution for -57=-3(y+7) equation:


Simplifying
-57 = -3(y + 7)

Reorder the terms:
-57 = -3(7 + y)
-57 = (7 * -3 + y * -3)
-57 = (-21 + -3y)

Solving
-57 = -21 + -3y

Solving for variable 'y'.

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

Add '3y' to each side of the equation.
-57 + 3y = -21 + -3y + 3y

Combine like terms: -3y + 3y = 0
-57 + 3y = -21 + 0
-57 + 3y = -21

Add '57' to each side of the equation.
-57 + 57 + 3y = -21 + 57

Combine like terms: -57 + 57 = 0
0 + 3y = -21 + 57
3y = -21 + 57

Combine like terms: -21 + 57 = 36
3y = 36

Divide each side by '3'.
y = 12

Simplifying
y = 12

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