2(21-8y)+6y=12

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Solution for 2(21-8y)+6y=12 equation:


Simplifying
2(21 + -8y) + 6y = 12
(21 * 2 + -8y * 2) + 6y = 12
(42 + -16y) + 6y = 12

Combine like terms: -16y + 6y = -10y
42 + -10y = 12

Solving
42 + -10y = 12

Solving for variable 'y'.

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

Add '-42' to each side of the equation.
42 + -42 + -10y = 12 + -42

Combine like terms: 42 + -42 = 0
0 + -10y = 12 + -42
-10y = 12 + -42

Combine like terms: 12 + -42 = -30
-10y = -30

Divide each side by '-10'.
y = 3

Simplifying
y = 3

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