One & Two-Step Equations
What is the value of x in x + 7 = 11?
4
x - 1 + 5x = 23
4
m+3n=7 for m
m=7-3n
How many hours are in 15 days?
360 hours
What percent of 42 is 28? Round to the nearest tenths
66.7%
-18 = m + 12
-30
6(3m + 5) = 66
2
fx - gx = h for x
x=(h)/(f-g)
Find the unit rate if 4 pounds of green peppers cost $7.56.
$1.89 per pound
What is 75\% of 180?
135
6 + 3b = -18
-8
3n + 2 = -2n - 8
-2
m=(x+n)/p for x
x=pm-n
What is the value of $n$ in the proportion 3/2 = n/6
n=9
A $600 set of golf clubs is on sale for 40% off. What is the sale price?
$360
-12 = 8 +(f/2)
-40
-8x - (3x + 6) = 4 - x
-1
A=(1/2)bh for h
h=(2A)/b
What is the value of x in the proportion {x-3}/{3} = {x+4}/{4}?
24
Find the percent increase when an original amount of 10 changes to a new amount of 12.
20\% increase
{z+6}/{3} = 8
18
4(3m + 4) = 2(6m + 8)
an identity
A = 2lh + 2wh for h
h=A/(2l+2w)
On a map, 1.5 inches represents 5 miles. How many miles apart are two houses that are 6.75 inches apart on the map?
22.5 miles
You estimate that a building is 20 m tall, but it is actually 23 m tall. What is the percent error to the nearest percent?
13%