4y-36=2y+42

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Solution for 4y-36=2y+42 equation:


Simplifying
4y + -36 = 2y + 42

Reorder the terms:
-36 + 4y = 2y + 42

Reorder the terms:
-36 + 4y = 42 + 2y

Solving
-36 + 4y = 42 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
-36 + 4y + -2y = 42 + 2y + -2y

Combine like terms: 4y + -2y = 2y
-36 + 2y = 42 + 2y + -2y

Combine like terms: 2y + -2y = 0
-36 + 2y = 42 + 0
-36 + 2y = 42

Add '36' to each side of the equation.
-36 + 36 + 2y = 42 + 36

Combine like terms: -36 + 36 = 0
0 + 2y = 42 + 36
2y = 42 + 36

Combine like terms: 42 + 36 = 78
2y = 78

Divide each side by '2'.
y = 39

Simplifying
y = 39

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