Algebraic Expressions & Equations - 20 Challenging Questions
Practice worksheet with interactive questions
Simplify: 3(2x + 5) - 2(x - 3)
Distribute both, then combine
Solve: 3(x - 4) = 2(x + 5)
Solve: (x+3)/4 = (x-1)/2. x = ___
Cross-multiply
Solve: 5x - 2(x + 3) = 12
Distribute the negative
The expressions 2(3x + 4) and 6x + 8 are equivalent.
Solve: -3x + 7 ≤ -8
If f(x) = 3x - 7, find x when f(x) = 14
Set up equation and solve
Simplify: 4x² + 3x - 2x² + 5x. ___
Combine like terms separately
The solution to 2(x - 5) = 2x - 10 is x = 0.
Solve: (2x-1)/3 = (x+4)/2
Cross-multiply first
Solve: 4x + 3(x - 2) = 15
Solve: |x - 5| = 8. x = ___ or x = ___
Absolute value means two solutions
Solve: 2(3x + 1) - 5(x - 2) = 22
Distribute both parentheses
The inequality x/(-2) > 4 simplifies to x < -8.
If f(x) = 2x² + 3, what is f(4)?
Solve: 7x - 2(3x - 5) = 4x + 6
Distribute carefully
Solve: 3/(x-2) = 6/10. x = ___
Simplify right side first
If 5x - 3 < 2x + 9, then x < 4.
Function rule: Output is 5 less than triple the input. If output is 22, what's input?
Write equation and solve
Simplify: 2(x + 3y) - 3(2x - y)
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