x+3=12
15
4t=32
t=8
j-5.4=3.2
8.6
There are 8 times as many roses in the garden as there are
dahlias. Write and solve an equation that determines how
many dahlias, 𝑑, there are if there are 56 roses.
What's the inverse operation of addition ?
Subtraction
117=d-86
203
y/6 = 7
y= 42
k-4.1=2.08
k= 6.18
Hal is three times as old as his nephew. Hal is 12 years old. Write a multiplication equation and solve the equation to determine his nephew’s age.
3x=12
x= 4 years old
What is the inverse operation of division ?
Multiplication
p + 1.6 =4.4
2.8
4.5f=18
f=4
Create an algebraic equation for the sentence. Solve each equation.
x minus one-half is one-fourth
x+1/3 = 3/4
x= 5/12
Kristina is four-fifths as old as her sister. Kristina is 12 years old. Write a multiplication equation and solve the equation to determine her sister’s age.
(4/5)x =12
x= 15 years old
How do you check to see if your solution is correct?
Use Substitution !
32+y=81
49
k/3 = 1.5
k=4.5
g-2/3 =1/4
g= 11/12
At the market, Sydni puts a few pears in a bag then weighs the bag on a produce scale. The bag of pears weighs 4.75 pounds. She adds more pears to the bag. The new weight of the bag is 5.6 pounds.
x=0.85
What you do on one side of the equation is..........
Create an algebraic equation for the following sentence. Solve each equation.
Thirty-three is six less than x.
33=x-6
x=39
(3/7)x =4
x=9 1/3
(2/9) b = 4/3
b=6
Keaton sold three-fourths as much as Jimmy during a fundraiser. Keaton sold 60 products. How many products did Jimmy sell?
(3/4) x =60
x= 80 products
When solving an equation, the goal is to ___________ the variable.
Isolate
- All by my self.....don't want to be... all by myself.