2=7-y

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Solution for 2=7-y equation:


Simplifying
2 = 7 + -1y

Solving
2 = 7 + -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.
2 + y = 7 + -1y + y

Combine like terms: -1y + y = 0
2 + y = 7 + 0
2 + y = 7

Add '-2' to each side of the equation.
2 + -2 + y = 7 + -2

Combine like terms: 2 + -2 = 0
0 + y = 7 + -2
y = 7 + -2

Combine like terms: 7 + -2 = 5
y = 5

Simplifying
y = 5

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