Multi-Step Equations
-5(x-2)-(x+2)=50
x=-7
2/9 = 4/(x+8)
x=10
What’s the only shape with no sides and no corners?
Circle
Solve for t:
I=prt
t=I/(pr)
A larger number is five more than twice a smaller number. Their sum is 80. Find the numbers.
25, 55
Convert 20 minutes to seconds.
1200 seconds
8-3(k+2)=2-3k
Infinite Solutions
6/(a-6) = 3/ (a-3)
a=0
abs(x+1) = 6
x= -7, 5
What do you call a triangle with all three sides equal?
Equilateral Triangle
As part of their government class, Maddie and Ryan had to log volunteer hours in their community. Ryan volunteered for one more than three times the number of hours that Maddie did. Altogether, they volunteered in their community for 45 hours, how many hours did Ryan volunteer?
34 Hours
Convert 3 gallons to cups.
48 cups
3w-(7w+12)=2(w-3)
w=-1
5/(y-7) = 3/ (y-5)
y=2
abs(6c-18) = 30
c= -2, 8
Solve for y:
Ax+By=C
y=(C-Ax)/B
What kind of snake is good at math?
A
pi-thon
Convert 125 yards to miles. Round to the nearest hundredth.
0.07 miles
-7(a-3)=11-7a
No Solution
Who is the mathematician on the back of the U.S. $100 bill, also famous for his experiments with electricity?
Benjamin Franklin
-4 abs(2w+6) = -32
x= -7, 1
Solve for p:
r=4/3(p-q)
p=3/4r +q
A rectangle has a length six inches less than twice its width. If the perimeter of the rectangle is 54 inches, find the dimensions.
11 in., 16 in.
Convert 10.5 feet/sec to yards/min.
210 yards/minute
9(n-4)-7n=32-2(n+8)
n=13
6/(2n-5) = 2/ (n-7)
n=16
5abs( 4x-4) -9=31
x= -1, 3
Solve for n:
m+2n^2=7m
n= +-sqrt(3m)
The sum of two consecutive odd numbers is 148. Find the numbers.
73, 75
Which number is known as a “baker’s dozen”?
13