3y+31=13y-69

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Solution for 3y+31=13y-69 equation:


Simplifying
3y + 31 = 13y + -69

Reorder the terms:
31 + 3y = 13y + -69

Reorder the terms:
31 + 3y = -69 + 13y

Solving
31 + 3y = -69 + 13y

Solving for variable 'y'.

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

Add '-13y' to each side of the equation.
31 + 3y + -13y = -69 + 13y + -13y

Combine like terms: 3y + -13y = -10y
31 + -10y = -69 + 13y + -13y

Combine like terms: 13y + -13y = 0
31 + -10y = -69 + 0
31 + -10y = -69

Add '-31' to each side of the equation.
31 + -31 + -10y = -69 + -31

Combine like terms: 31 + -31 = 0
0 + -10y = -69 + -31
-10y = -69 + -31

Combine like terms: -69 + -31 = -100
-10y = -100

Divide each side by '-10'.
y = 10

Simplifying
y = 10

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