Combining Like Terms
Combine like terms:
4x + 3 - 2x + 7
2x + 10
Solve for x:
5x - 12 = 43
x = 11
Evaluate for x = 4:
10x - 6
36
Distribute:
3(2x + 10)
6x + 30
What is 3/4 as a decimal?
0.75
Combine like terms:
3x - 12 + 5x + 4
8x - 8
Solve for x:
-3n - 5 = 16
n = -7
Evaluate for y = 10
7y + 15 + 3y
115
Distribute:
1/2 (8y - 12)
4y - 6
5x + 12 - 3b + (-15)
4 terms
Combine like terms:
3(n + 6) - 5n + 7
-2n + 25
Solve for y:
100 - 3y = 76
y = 8
Evaluate for m = 8:
-6m - 2
-50
Distribute:
-(6x - 20)
-6x + 20
What does this symbol mean?
<
Less than
Combine like terms:
-4a + 15 + 6a - 3b + 6 + 5b
2a + 2b + 21
Solve for m:
3.48m + 7.62 = 29.37
m = 6.25
Evaluate for z = 1/2
2(4z + 10)
6
Distribute AND combine like terms:
3(x + 5 - 6x)
-15x + 15
True or False:
0.5 < 2/3
True
Combine like terms:
25x - 10 + 5x + -20 + 5y
30x + 5y - 30
Solve for h:
5(2h + 4) = 50
h = 3
Evaluate for p = 12
4(p + 2p) - 2
70
Distribute AND combine like terms:
5(4a + 7 + 3b + a)
25a + 15b + 35
How many different variables are in the equation:
4a + 3 - 13b + 18c - 12 + 5a
3 variables (a, b, c)