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Name the Inverse
One step equations
Two step equations
Rewriting phrases into expressions
Multi-step Equations
100
What's the first inverse operation of the equation: x + 1 = 9
Subtraction
100
3x = 21 solve for "x"
7
100
4x + 1 = 5
1
100
A number plus 7
x + 7
100
2s + (5 + 3s) = 10
s = 1
200
What's the first inverse operation of the equation: 2x = 12
Divide
200
-3 + y = -29
-26
200
-2y - 3 = 21
-12
200
Twelve less than a number
x - 12
200
3(m + 2) + 4 = 40
m = 10
300
What's the first inverse operation of the equation: 21 = -7 + x
addition
300
-5x= 60
-12
300
b/4 - 2 = 5
28
300
Six more than twice a number
2x + 6
300
-2(4x - 1) - 2 = 32
x = -4
400
What's the first inverse operation of the equation: 3x - 2 = 9
addition
400
y/2 = 14
28
400
3 - y/2 = 8
-10
400
The difference of eight times a number and three
8x - 3
400
-6y - (-5y + 1) = 2
y = -3
500
What's the first inverse operation of the equation: (1/3)x = 9
division
500
28 - y = -30
58
500
(1/4)x + 3 = -5
-32
500
The quotient of twenty less than a number and five
(x - 20)/5
500
-3(b + 5) - 2(6 - 2b) = -27
b = 0