add/subtract like fractions
1/2 + 1/2 =
1
4 - 6 =
-2
10y - 5 =
10y - 5
-10 x 8 =
-80
m + 5 = 27
m = 22
2/3 - 1/3 =
1/3
-7 + -3 =
-10
3b + 5a - 2b =
b + 5a OR 1b + 5a
5 x (-18) =
-90
k - 13 = 29
2/7 + 3/7 =
5/7
12 - (-3) =
15
17m - 4g + 5m - 7g
22m - 11g
-9 x (-9) =
81
-7 + f = 14
f = 21
5/9 - 2/9 =
3/9 or 1/3
18 - 22 =
-4
15h - 4r - 3h - 3r + h + r
13h -6r
-12 x (-10) =
120
b - 2 = -17
b = -15
7/8 - 3/8 =
4/8 or 1/2
-18 + 6 =
-12
1/2w - 9g -1/2w + 9g
0 (no answer as all cancel)
12 x 12 x (-1) x 2 =
-288
w - 25 = 125
w = 150