Algebra Variables Practice Problems
Grades 6-9 · 5 problems
Practice identifying and understanding variables in algebraic expressions. This tool provides instant feedback to help you master algebra.
Tip: A variable is a symbol (usually a letter) that represents a number. It can change its value, unlike a constant.
1
What is the variable in the expression: 3 + x = 7?
2
In the equation y = 5z, which variable is dependent?
3
Solve for 'a': a - 9 = 15
4
If p = 3 and q = 7, what is the value of 2p + q?
5
Solve for x: 4(x + 2) - 3 = 2x + 9
Common Mistakes
- Forgetting to distribute a number across parentheses.
- Not performing the same operation on both sides of an equation.
- Incorrectly combining like terms.