18y=-3(-7y+18)-3

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Solution for 18y=-3(-7y+18)-3 equation:


Simplifying
18y = -3(-7y + 18) + -3

Reorder the terms:
18y = -3(18 + -7y) + -3
18y = (18 * -3 + -7y * -3) + -3
18y = (-54 + 21y) + -3

Reorder the terms:
18y = -54 + -3 + 21y

Combine like terms: -54 + -3 = -57
18y = -57 + 21y

Solving
18y = -57 + 21y

Solving for variable 'y'.

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

Add '-21y' to each side of the equation.
18y + -21y = -57 + 21y + -21y

Combine like terms: 18y + -21y = -3y
-3y = -57 + 21y + -21y

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

Divide each side by '-3'.
y = 19

Simplifying
y = 19

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