Solve Y+10=12
2+10=12
Solve 5+a=11
5+6=11
Solve b+8=15
7+8=15
Simplify 3a+2b+4a+b
7a+3b
Simplify 7y+5y+2h+2h
12y+4h
Simplify g+8a+2a+g
2g+10a
Simplify 5-4s-2+10s
3+6s
Simplify 6m-2s+11s+m
7m+9s
Simplify 3x+6y+5x-2y
8x+4y
Expand 4(y+3)
4y+12
Expand 3(y+7)
3y+21
Expand 7(a-3)
7a-21