12y+6(4-3y)=42

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Solution for 12y+6(4-3y)=42 equation:


Simplifying
12y + 6(4 + -3y) = 42
12y + (4 * 6 + -3y * 6) = 42
12y + (24 + -18y) = 42

Reorder the terms:
24 + 12y + -18y = 42

Combine like terms: 12y + -18y = -6y
24 + -6y = 42

Solving
24 + -6y = 42

Solving for variable 'y'.

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

Add '-24' to each side of the equation.
24 + -24 + -6y = 42 + -24

Combine like terms: 24 + -24 = 0
0 + -6y = 42 + -24
-6y = 42 + -24

Combine like terms: 42 + -24 = 18
-6y = 18

Divide each side by '-6'.
y = -3

Simplifying
y = -3

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