45=65-y

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Solution for 45=65-y equation:


Simplifying
45 = 65 + -1y

Solving
45 = 65 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
45 + y = 65 + -1y + y

Combine like terms: -1y + y = 0
45 + y = 65 + 0
45 + y = 65

Add '-45' to each side of the equation.
45 + -45 + y = 65 + -45

Combine like terms: 45 + -45 = 0
0 + y = 65 + -45
y = 65 + -45

Combine like terms: 65 + -45 = 20
y = 20

Simplifying
y = 20

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