20+(-12)=3y+y

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Solution for 20+(-12)=3y+y equation:


Simplifying
20 + (-12) = 3y + y
20 + -12 = 3y + y

Combine like terms: 20 + -12 = 8
8 = 3y + y

Combine like terms: 3y + y = 4y
8 = 4y

Solving
8 = 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
8 + -4y = 4y + -4y

Combine like terms: 4y + -4y = 0
8 + -4y = 0

Add '-8' to each side of the equation.
8 + -8 + -4y = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -4y = 0 + -8
-4y = 0 + -8

Combine like terms: 0 + -8 = -8
-4y = -8

Divide each side by '-4'.
y = 2

Simplifying
y = 2

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