3(y-4)+y=12

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


Simplifying
3(y + -4) + y = 12

Reorder the terms:
3(-4 + y) + y = 12
(-4 * 3 + y * 3) + y = 12
(-12 + 3y) + y = 12

Combine like terms: 3y + y = 4y
-12 + 4y = 12

Solving
-12 + 4y = 12

Solving for variable 'y'.

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

Add '12' to each side of the equation.
-12 + 12 + 4y = 12 + 12

Combine like terms: -12 + 12 = 0
0 + 4y = 12 + 12
4y = 12 + 12

Combine like terms: 12 + 12 = 24
4y = 24

Divide each side by '4'.
y = 6

Simplifying
y = 6

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