What's the first step?
Solve for x
Solve for y
Mystery Category
All Equations
100

3x + -1 = 5x + 4

Move the variable to one side. Subtract 5x from both sides OR subtract 3x from both sides.

100
Solve for x: 18 = 4x + 2
x = 4
100
Solve for y: 25 = 3y + 16
y = 3
100
Rational or Irrational: -3.45456729...
What is Irrational?
100
Solve for m: 3m = -9
m = -3
200

What is the first step to solve this? 8x + 2 = 6x - 1

Move the variable to one side. Subtract 8x from both sides OR subtract 6x from both sides.

200
Solve for x: -3x - 18 = 21
x = -13
200
Solve for y: -6y + 24 = 60
y = -6
200
Rational or Irrational: 9.32323232...
What is Rational?
200
Solve for x: -5x - 6 = -36
x = 6
300

What is the first step? 3x - 3 = 4x

Move the variable to one side, so subtract 3x from both sides. -3 = x

300
Solve for x: 2x + 2 = 5x + 11
x = -3
300
Solve for y: 5y + 30 = 9y + 10
y = 5
300
Rational or Irrational: √85
What is Irrational?
300
Solve for x (Write as a fraction in simplest form): 5 = 3 - 6x
x = -1/3
400

What is the first step? -5x = -8x - 4

Move the variable to one side. So, add 8x to both sides. 3x = -4

400
Solve for x: -3 - 4x = 21- 8x
x = 6
400
Solve for y: -9y + 8 = 48 + y
y = -4
400

In what subset in the real number system would you place -0.66666666.....?

Rational

400
Solve for c (Write as a fraction in simplest form): 5 - 4c = 7c + 60
c = -5
500

What is the first step? 4x + 21 = -7x

Subtract 4x from both sides

500

Solve for x: 14x - 8 = 11x + 1

x = 3

500

Solve for y: 8y - 280 = -9y + -127

y = 9

500
In what subset in the real number system would you place -1/3?

Rational

500

Solve for n: -n + 4 = 2n - 20

n = 8

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