-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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