Literal Equations
ice + heat = water
write a equation to find heat
heat = -ice + water
or
heat = water - ice
2x + 12 = 4(x +2)
find x
x = 2
5>6 +e/6
find e
e <-6
A car rental company charges a $50 fee plus $25 per day for renting a car. If Maria paid a total of $200, how many days did she rent the car for?
6 days
Put the following equation of a line into slope-intercept form, simplifying all fractions.
2y−3x= 6
y= 2/3x - 2
y=mx+b
write a equation to find x
x=(y-b)/m
20/4 = 6/x
find X
x=5/6
p - 5 > 3p + 9
find p
p > -7
John has $1200. He spends $50 per week. After how many weeks will he have less than or equal to $500 left?
10 weeks
What is the equation of the line that passes through the point (−6,3) and has a slope of −3/4?
y-3= -3/4(x+6)
NPP = GP - RL
write a equation to find RL
NPP - GP = RL or -Gp +Npp = Rl
16x-4+220 = 360
find X
x=9
8 + 10m < m - 10
find m
m < -2
A car rental company charges a flat fee of $30 per day plus $0.15 per mile driven. If a customer is charged $75 for renting a car, how many miles did they drive?
What is an equation of the line that passes through the points (−5,5) and (8,5)
y-5=0(x+5)
Ψ = ΨS + ΨP.
write a equation to find ΨP
Ψ - ΨS = ΨP.
6x+18+132=360
find X
x =55
-8r -7 < -7
find r
A car rental company charges a flat fee of $30 per day plus an additional $0.15 per mile driven. If a customer's bill was $75, and they drove 300 miles, how many days did they rent the car for?
One day
y=3x +4
find y if x =2
y = 10
q=mc∆t
write a equation to find ∆t
q/mc = ∆t
760=1/2(10+8) + h
find h
h = 40
6(1 -5a) - 4(5 - 5a) > -34
find a
a < 2
Sarah is saving for a trip and wants to have at least $800 saved up in 8 months. She currently has $200 and can save $50 per month. Can she reach her goal in time?
No she will have 600 witch isnt 800
y=-7x -1
y=x-9
find x and y
x = 1
y =-8