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Simplify
Integers
Equations
Inequalities
Evaluate and Distribute
100
46 - 4(2+8)
6
100
compare -12 __ -9
<
100
40 + x = 25
x = -15
100
graph y < 3 on a number line
there is an open circle on 3 and the line is shaded to the left
100
evaluate for a = 20: 15a - 2a
260
200
-1(-2)(-3)(-4)
24
200
-7 + 35 + (-22)
6 (-7 + -22 = -29; 35 - 29 = 6)
200
t - 753 = -520
t = 233
200
graph x > -12 on a number line
there should be an open circle on -12 and the line is shaded to the right
200
evaluate for t = 7: 25 - (t + 18)
0
300
16/4 + 10/2
9
300
19 - (-5)
24 (keep add opposite = 19 + 5)
300
k/-9 = 20
k = 180
300
solve: w - 32 < 15
w < 47
300
evaluate for x = 35 and y = 65: (x + y)/10
10
400
5 x 678 x 2
6,780
400
-82 - (-50)
-32 (keep add opposite = -82 + 50; different sign difference)
400
-4 = w/16
w = -64
400
solve: c/5 < -3
c < -15
400
simplify: 41 - 2(m + 1) -m
-3m + 39
500
18 + 12 + (-25) + 13
18
500
-78 / -3
26 signs match = positive answer
500
300 = -15j
j = -20
500
solve: -12k > -144
k < 12
500
simplify: -3(4y - 1) + 5(7 - y)
-17y + 38