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100
x-5=12
17
100
x/3=3
x=9
100
2x+1=9
x=4
100
3𝑥 −2 =7
x=3
100
Sabrin had 50 colorful pens. Then she lost some and now she has 38.
Write an equation to represent her situation.
50-x=38
100
1(2x+4)=16
x=6
200
x+13=20
7
200
18=x/-2
x=-36
200
12x-5=7
x=1
200
-7+10x=33
x=4
200
Nura rented an orange helicopter. It costs $200 per hour plus $50 for gas. Her total cost was $650.
What equation can be used to represent this situation?
200x+50=650
200
3(2+2x)=-12
x=-3
300
5x=40
x=8
300
x +(−8) =19
x=27
300
8x+10=-6
x=-2
300
Happy Friday,
Choosing team steals 200 from each other team
300
What equation is modeled by the algebra tiles picture?
2x+1=5
300
0.5(-8+x)=12
x=32
400
x/4=-2
x=-8
400
x/.25=6
x=1.5
400
x/-5+8=11
x=-15
400
2/3x-6=6
x=18
400
The current temperature is 73°F. It is expected to drop 3.5°F each hour. Write an equation that can be used to find the number of hours it will take for the temperature to reach 59°F.
73-3.5x=59
400
−0.6(x +1) =3
x=-6
500
2/3x=4
x=6
500
2/3x=3/2
x=9/4
500
3/4x+9=-3
x=-16
500
-17-.5x=-8
x=-18
500
Abdi rides his bike the same distance to and from school each day. He also rides 3.6 miles round trip each day to go to soccer practice. During a 5-day school week, he rides a total of 43 miles.
5(x+3.6)=43
500
Christy is training for a race in the summer. Every day she jogs the same number of miles. She also rides her bicycle 7.5 miles each day. During a 5-day training period, she jogs and rides a total of 53 miles. How many miles does Christy jog each day during training?
5(x+7.5)=53