3(7-3y)-2y=12

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Solution for 3(7-3y)-2y=12 equation:


Simplifying
3(7 + -3y) + -2y = 12
(7 * 3 + -3y * 3) + -2y = 12
(21 + -9y) + -2y = 12

Combine like terms: -9y + -2y = -11y
21 + -11y = 12

Solving
21 + -11y = 12

Solving for variable 'y'.

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

Add '-21' to each side of the equation.
21 + -21 + -11y = 12 + -21

Combine like terms: 21 + -21 = 0
0 + -11y = 12 + -21
-11y = 12 + -21

Combine like terms: 12 + -21 = -9
-11y = -9

Divide each side by '-11'.
y = 0.8181818182

Simplifying
y = 0.8181818182

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