One-Step Equations
Solve for x
x+4=9
x=5
Solve for x
x > 3
Any number greater than 3 (e.g., x=4)
What is 5+3×2?
The relationship between x and y is such that y increases by 2 for every increase of 1 in x.
What equation represents this relationship if x=0, y=5?
y=2x+5
The relationship between x and y is such that y is 2 times x.
Write the equation representing this relationship.
y=2x
Solve for x
3x=18
x=6
Solve for x:
x ≤ 7
Any number less than or equal to 7 (e.g., x=6)
What is (6+2) x 3?
Answer: 8×3=24
(Parentheses first!)
The equation y=3x+4 represents an additive relationship.
What is the value of y when x=2?
y=3(2) +4=6+4=10
In the equation y=3x, y is three times the value of x.
What is the value of y when x=4?
y=3(4)=12
Solve for x
x−7=12
x=19
Solve for x:
2x < 10
x < 5
What is 2^3+5?
Answer: 8+5=13
(Exponents first!)
In the equation y=5x+1, the value of y increases by 5 each time x increases by 1.
What is the value of y when x=3?
y=5(3) +1=15+1=16
The equation y=4x^2 represents a multiplicative relationship.
What is the value of y when x=3?
y=4(3^2) =4(9) =36
Solve for x
2x=14
x=7
Solve for x:
4x ≥ 12
x ≥ 3
What is 12÷4+6?
3+6=9
(Division first!)
A line follows the equation y=6x−4.
What is the value of y when x=5?
y=6(5) −4=30−4=26
In a pattern, the value of y is double x raised to the power of 3. The equation is y=2x^3.
What is the value of y when x=2?
y=2(2^3) =2(8) =16
Solve for x
5x+2=22
x=4
Solve for x:
5x + 2 ≤ 17
x ≤ 3
What is 3× (2+5) ^2 -8 ÷4?
First, simplify the parentheses: 2+5=7
Now, square: 7^2 = 49,
Multiply: 3×49=147,
Divide: 8÷4=2,
Finally: 147−2=145.
(Follow GEMDAS step-by-step!)
The equation y=−3x+7 represents an additive relationship.
What is the value of y when x=4?
y=−3(4) +7=−12+7=−5
The equation y=5x^2 represents a multiplicative relationship.
What is the value of y when x=4?
y=5(4^2) =5(16) =80