Four times a number x increased by fifteen is 83
4x + 15 = 83
x-1 = 5
x = 6
-8q-3=-2q+39
x=-7
y=mx+b solve for b
b=y-mx
What was the first country to use paper money?
China (7th century)
Define Multi-Step Equations
More than one step to solve
x/8 = -17
x = -136
-6-7d=5(d-6)
d=2
c=2pir solve for r
r=c/(2pi)
What is the name for a group of rhinoceroses?
A Crash
Define Equivalent Equations
Equations with the same solution
8x-15=-95
x=-10
4/5=c/30
c=24
d=rt sovle for r
r=d/t
What year was the first iPhone released?
2007 (6/29/2007)
Three times a number y plus 8 equals 32
3y + 8 = 32
a/-2.1 - 10=5
a=-31.5
(x+2)/7=5/7
x=3
ab+5c=4d solve for a
a=(4d-5c)/b
What is the most common blood type among Americans?
O+ (approx 37%)
Four times the sum of f and g is identical to six times g
4(f + g) = 6g
If
-2x-13=-7
then what is the value of x + 1?
x=-2
2(7x+31.5)=7(2x-9)
No Solution
xy-9z=4 solve for y
y=(4+9z)/x
Mysophobia is the fear of what?
Fear of Dirt and Germs