3y+75=y-9

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Solution for 3y+75=y-9 equation:


Simplifying
3y + 75 = y + -9

Reorder the terms:
75 + 3y = y + -9

Reorder the terms:
75 + 3y = -9 + y

Solving
75 + 3y = -9 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
75 + 3y + -1y = -9 + y + -1y

Combine like terms: 3y + -1y = 2y
75 + 2y = -9 + y + -1y

Combine like terms: y + -1y = 0
75 + 2y = -9 + 0
75 + 2y = -9

Add '-75' to each side of the equation.
75 + -75 + 2y = -9 + -75

Combine like terms: 75 + -75 = 0
0 + 2y = -9 + -75
2y = -9 + -75

Combine like terms: -9 + -75 = -84
2y = -84

Divide each side by '2'.
y = -42

Simplifying
y = -42

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