Simultaneous Equations: Elimination
eight levels, click to reveal
Difficulty
Solve by eliminating a variable
1 · No scaling needed
2 · Scaling one equation
3 · Scaling both equations
4 · Rearranging first
5 · Fractional solutions
6 · Quadratics by elimination
7 · Twists
8 · Extension: three equations
Mixed 1–7
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Solutions
Integers
Fractions
Surds
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Choose one or more. Levels 1 to 4: integers or fractions. Level 6: integers, fractions or surds. Other levels are not changed.
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