-3(7-y)-6=-18

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Solution for -3(7-y)-6=-18 equation:


Simplifying
-3(7 + -1y) + -6 = -18
(7 * -3 + -1y * -3) + -6 = -18
(-21 + 3y) + -6 = -18

Reorder the terms:
-21 + -6 + 3y = -18

Combine like terms: -21 + -6 = -27
-27 + 3y = -18

Solving
-27 + 3y = -18

Solving for variable 'y'.

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

Add '27' to each side of the equation.
-27 + 27 + 3y = -18 + 27

Combine like terms: -27 + 27 = 0
0 + 3y = -18 + 27
3y = -18 + 27

Combine like terms: -18 + 27 = 9
3y = 9

Divide each side by '3'.
y = 3

Simplifying
y = 3

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