2y+(5-y)=7

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Solution for 2y+(5-y)=7 equation:


Simplifying
2y + (5 + -1y) = 7

Remove parenthesis around (5 + -1y)
2y + 5 + -1y = 7

Reorder the terms:
5 + 2y + -1y = 7

Combine like terms: 2y + -1y = 1y
5 + 1y = 7

Solving
5 + 1y = 7

Solving for variable 'y'.

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

Add '-5' to each side of the equation.
5 + -5 + 1y = 7 + -5

Combine like terms: 5 + -5 = 0
0 + 1y = 7 + -5
1y = 7 + -5

Combine like terms: 7 + -5 = 2
1y = 2

Divide each side by '1'.
y = 2

Simplifying
y = 2

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