Equations
Negatives in Expressions
Solving in terms of a variable
Fractions
Systems of Equations
100
Solve for x: 3x + 15 = 18
x = 1
100
Simplify: (4x) + (-2x)
2x
100
Solve in terms of x: 2x - 2y = 1
x = (1/2) + y
100
Add: (1/4) + (3/4)
1
100
Solve the system of equations by finding the values of both variables: y = 2 + x 3y + x = 18
x = 3, y = 5
200
Solve for x: x/2 - 8 = 1
x = 18
200
Simplify: 18 + (-29)
-11
200
Solve in terms of x: 12x + 24y = -12
x = (-1) + (-2y)
200
Add: (1/5) + (1/5)
(2/5)
200
Solve the system of equations by finding the values of both variables: y = 4 -3x + y = -17
x = 7, y = 4
300
Solve for x: 3x + 2(x - 2) = 11
x = 3
300
Simplify: 12(-5)
-60
300
Solve in terms of y: y/3 + x = 10
y = 30 - 3x
300
Add: (1/14) + (-5/14)
(-4/14)
300
Solve the system of equations by finding the values of both variables: 1x − 2y = 15 −1x + 7y = −25
x = 11 y = -2
400
Solve for x: 2x - 5(x - 1) = 23
x = -6
400
Simplify: (-3)(2) + (-5)(-5) + (2)(-4)
11
400
Solve in terms of x: -y/5 + 3x = 0
y = 15x
400
Add: (1/5) + (7/15)
(10/15) = (2/3)
400
Solve the system of equations by finding the values of both variables: 6x − 12y = 24 -x − 6y = 4
x = 2 y = -1
500
Solve for x: 5x - 14 = 3x + 20 - 24
x = 5
500
(-1)(4) + (-5)(-2) + (8)(-2) + 12
2
500
Solve in terms of x: -x/2 - 8y = 13
x = -16y - 26
500
Add: (-4/7) + (1/3)
(-5/21)
500
Solve the system of equations by finding the values of both variables: −8x − 10y = 24 6x + 5y = 2
(7, -8)
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