7-y=13y

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Solution for 7-y=13y equation:


Simplifying
7 + -1y = 13y

Solving
7 + -1y = 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.
7 + -1y + -13y = 13y + -13y

Combine like terms: -1y + -13y = -14y
7 + -14y = 13y + -13y

Combine like terms: 13y + -13y = 0
7 + -14y = 0

Add '-7' to each side of the equation.
7 + -7 + -14y = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -14y = 0 + -7
-14y = 0 + -7

Combine like terms: 0 + -7 = -7
-14y = -7

Divide each side by '-14'.
y = 0.5

Simplifying
y = 0.5

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