combining like-terms/distributive property
solving two-step equations
percent equations
percent of change
100
−5n + 3(6 + 7n)
16n + 18
100
10 − 6v = −104
19
100
42% of 500 is what number?
210
100
From 92 to 86.5
6% decrease
200
−2n − (9 − 10n)
8n − 9
200
2(n + 5) = −2
-6
200
46 is 23% of what?
23% of 200 is 46.
200
From 40 to 28
30% decrease
300
−7(n + 3) − 8(1 + 8n)
−71n − 29
300
9 + 9n = 9
0
300
What is 70% of 120
84
300
From 64 inches to 82 inches
28% increase
400
−9(6m − 3) + 6(1 + 4m)
−30m + 33
400
144 = −12(x+ 5)
-17
400
What is 80% of 130
104
400
From 54 m to 25 m
54% decrease
500
−3(10b + 10) + 5(b + 2)
−25b − 20
500
−9x + 1 = −80
9
500
What is what is 20% of 780
156
500
From 58 tons to 22 tons
62% decrease
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