Add like terms
7a + 2a
9a
2a + 4 + 3a
5a + 4
4a - 2a
2a
7a -4a +3b
3a + 3b
21b - 11b -10 -2b
8b-10
Find the coefficient
2x4
2
3b + 6b
9b
3b + 4a + 6a + 2b
10a + 5b
12b-10b
2b
10b-8b+9
2b+9
12c - 6c - 30
6c -30
Find the variable (s)
-x5y3z2
x, y and z
10b +20b
30b
5 + 3b + 10
3b+15
25b-20b
5b
10b - 5b + 4a -2a
5b+2a
5x + 55 - 26 - z
4z - 29
Find the exponents
5x3
3
5b + 4b + 3b
12b
2a + 4b + 5a + 3b
7a + 7b
100b -90b
10b
5b - 2b + 6a -3a
3a +3b
3 + 13x + 3x2 - 5x - 2x2
x2 + 9x + 3
Find the coefficient
-x3y5
-1
10b + 20b + 30b
60b
12a + 10 + 20 + 8a
20a +30
300b -200b
100b
10b - 9b + 8a-7a
1a +1b
8p + 3p3 + 13 - 4p2 - 2 - 6p
3p3 - 4p2 + 2p + 11
Find the coefficient
3x2y5/2
3/2