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WorksheetsOne Variable Expressions and Equations
Total questions: 15
Worksheet time: 15mins
Solve the algebraic number of 4x + 7 = 27. Is this an expression or an equation?
Expression
x = 5
Equation
x = 5
Expression
x = 4
Equation
x = 4
Solve the algebraic number of 3 x (2a − 4) = 18. Is this an expression or an equation?
Expression
a = 5
Equation
a = 5
Expression
a = 2
Equation
a = 2
Solve the algebraic number of 2 x (y2 - 1) = 6. Is this an expression or an equation?
Expression
y = 2
Equation
y = 2
Expression
y = 1
Equation
y = 1
3x − 5y
Expression
Equation
7m = 4n
Expression
Equation
A rectangle's area is given by the algebraic number of 6w2, where w is the width. Identify if this is an expression or equation and find the area if the width w = 2.
Expression
Area: 24 square units
Equation
Area: 24 square units
Expression
Area: 12 square units
Equation
Area: 12 square units
In the equation
x + 7 = 12
7 is being added to the variable, x. How should you show your work to isolate the variable and solve the equation?
Subtract 7 from both sides. The solution is x = 5.
Add 7 to both sides.
The solution is x = 19.
Multiply both sides by 7 The solution is x = 84.
What is the solution for x + 9 = 21
10
12
11
13
Solve for b
2b = -16
8
4
-8
3
x = 20
x = 7
x = 10
x = 3
x = 20
x = 7
x = 10
x = 3
x - 8 = -5
13
-13
3
-3
Solve:
96
-96
4
-4
Solve:
-12
-8
12
8
r + 20 = 27
r = 7
r = 47
r = 13
r = 20
x - (-2) = 7
-9
-5
5
9
