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Addition Equations
Subtraction Equations
Multiplication Equations
Division Equations
distributive property
100
p + 75 = 100
What is 25?
100
p − 15 = 30
What is 45?
100
25v = 100
What is 4?
100
x − 3 = 15 or x/3=15
What is 45?
100

7(x+10)

7x + 70

200
y + 54 = 80
What is 26?
200
a − 45 = 91
What is 136?
200
12d = 216
What is 18?
200
53= r/4
What is 212?
200

14(x+y)

14x + 14y

300
24.8 = t + 5.1
What is 19.7?
300
13.2 = t − 4.4
What is 17.6?
300
71.5 = 5.5u
What is 13?
300
44 = t/11
What is 484?
300

5(15+3x)

45 + 15x

400
y + 4/9= 2/3
What is 2/9?
400
a − 152 = 90
What is 242?
400
5/6 x= 5/14
What is 3/7?
400
8.3= b/14
What is 116.2?
400

2.75(13x + 2y)

35.75x + 5.5y

500
y + 3/8=3/4
What is 3/8?
500
y - 1/2= 3/4
What is 1 1/4?
500
7.8x = 23.4
What is 3?
500
27= z/0.3
What is 8.1?
500

x(y +mn)

xy + xmn