91-73=39y-45y

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Solution for 91-73=39y-45y equation:


Simplifying
91 + -73 = 39y + -45y

Combine like terms: 91 + -73 = 18
18 = 39y + -45y

Combine like terms: 39y + -45y = -6y
18 = -6y

Solving
18 = -6y

Solving for variable 'y'.

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

Add '6y' to each side of the equation.
18 + 6y = -6y + 6y

Combine like terms: -6y + 6y = 0
18 + 6y = 0

Add '-18' to each side of the equation.
18 + -18 + 6y = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 6y = 0 + -18
6y = 0 + -18

Combine like terms: 0 + -18 = -18
6y = -18

Divide each side by '6'.
y = -3

Simplifying
y = -3

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