Identifying expressions and terms
2r-4r+4r+r
3r
3x+6y+5x-2y
4(2x+y)
5a-3b
A=2
B=1
7a
7b
4r-5s+2rs-8s-3r
r-13s+2rs
3X+10=x
X=22
6+10-3+3n
13+3n
11c+8d-6c-11d
5c-3d
4X-7
X=3
5X
2(3a-b)-7(=2a-3b)
20a-23b
5X+2=x
x=12
10+4a-10+2a
6a
6m-2s+11s+m
7m+9s
2Y2-9
Y=2
-1y
6(y-5)=6xy-(6xy)
6y-30
X=19
4h+-8h-7h
-11h
7y+5y+2h+2h
4(3y+h)
3x-4
X=2
2x
2(r-2)=2xr-2x2
2r-4
2X-5=X
X=13
-8+-10j+9
1-10j
2a + 3B - 2 + a+3b+4
3a+6b+2
6u-9o
u=3
o=2
0
-2n(-8-10)-6(-10-3)
6(16n+3)
3X+7=X
X=25