Combining Like Terms
14m + 6r - 11 - 9m + 1
5m +6r - 10
Are 3x + 3 and 3x(1 + 1) equivalent expressions?
No, they are not equivalent expressions.
3(6x + 2)
18x + 6
Evaluate 4(y-5)
if y=9
16
add:
(-3/5n - 2 - 3t) + (n + 4 -1/2t)
2/5n + 2 - 3 1/2t
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
Evaluate 5 + (t ⋅ n)
if t = 9 n = 4
41
add:
1/3n + 2/3 and -1/6n + 1/6m
1/6n + 1/6m +2/3
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 - 34
Evaluate 7(x+3) if x = 6
63
Find the sum:
(-3.5t - 4s +4.5) + (-7.1- 0.3s + 4.1t)
0.6t - 4.3s - 2.6
12x + 11s - 8x + 12 - 5s - 12
4x + 6s
Are 4x + 8 and 2(2x + 4) equivalent expressions?
Yes, they are equivalent expressions.
Factor:
36x + 12y + 24
12 ( 3x + y + 2)
Evaluate 12b + 45 if b= 2
69
Subtract:
(21x) - (-16 +17x)
4x + 16
9 + 4x -12s +2x + 6 - 4s
6x -16s + 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.
Factor:
-12x + 24 -18y
-6 (2x - 4 + 3y) OR
6 (-2x + 4 - 3y)
Evaluate 16x + 2y if x = 2, y = 8
48
subtract:
(6x - 2y - 5) - (-5 + 9y - 8x)
14x - 11y