Combining Like Terms
14m + 6r + 11 - 9m + 1
5m +6r + 12
Are 3x + 3 and 3x(1 + 1) equivalent expressions?
No, they are not equivalent expressions.
3(6x + 2)
18x + 6
23 + 9 - (4*8)
0
Evaluate 4(y-5)
if y=9
16
25x + 16s - 3x + 9 + 2s + 5
22x + 18s + 14
Are 3x(2 + 4) and 18x equivalent expressions?
Yes, they are equivalent expressions because 3x * 2 is 6x and 3x * 4 is 12x. 6x + 12x = 18x
9(4 - 2x)
36 - 18x or -18x + 36
(9*2) / 3 + 14
20
Evaluate 5 + (t * n)
if t = 9 n = 4
41
3r - 1 + 6s + 9r - 3s + 9
12r + 3s + 8
Are 2x + x - x + 4x and 7x equivalent expressions?
No, they are not equivalent expressions because 2x + x -x = 2x and 2x + 4x = 6x
6(2x + 6) + 2
12x + 38
51 / 3 * 2
34
Evaluate 7(x+3) / y if x = 6 y = 3
21
12x + 11s - 8x + 12 - 5s - 12
4x + 6s
Are 4x + 8 and 2(2x + 4) equivalent expressions?
Yes, they are equivalent expressions.
5(2x+1) + 5
10x + 10
13 + (17 - 5) * 8 / 2
61
Evaluate 12a * 3b + 45 if a= 7 b= 2
549
9 + 4x + 12s +2x + 6 - 4s
6x + 8s + 15
Are 8x + 11 and 8(x + 3) equivalent expressions?
No, they are not equivalent expressions because 8*x is 8x and 8*3 = 24.
8(4x + 3x) + 9
56x + 9
38 * 3 - 20 / 2 + 6
110
Evaluate 16x / 2y * z if x = 16, y = 4, z = 9
288