Evaluate
2\left(y+10\right)
Factor
2\left(y+10\right)
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x+15-x+2+y+3+y
Add 5 and 10 to get 15.
15+2+y+3+y
Combine x and -x to get 0.
17+y+3+y
Add 15 and 2 to get 17.
20+y+y
Add 17 and 3 to get 20.
20+2y
Combine y and y to get 2y.
2y+20
Multiply and combine like terms.
2\left(y+10\right)
Factor out 2.
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