2y+72=4y-42

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Solution for 2y+72=4y-42 equation:


Simplifying
2y + 72 = 4y + -42

Reorder the terms:
72 + 2y = 4y + -42

Reorder the terms:
72 + 2y = -42 + 4y

Solving
72 + 2y = -42 + 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.
72 + 2y + -4y = -42 + 4y + -4y

Combine like terms: 2y + -4y = -2y
72 + -2y = -42 + 4y + -4y

Combine like terms: 4y + -4y = 0
72 + -2y = -42 + 0
72 + -2y = -42

Add '-72' to each side of the equation.
72 + -72 + -2y = -42 + -72

Combine like terms: 72 + -72 = 0
0 + -2y = -42 + -72
-2y = -42 + -72

Combine like terms: -42 + -72 = -114
-2y = -114

Divide each side by '-2'.
y = 57

Simplifying
y = 57

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