Class 9 maths · A.10 · Linear Equations
Solve absolute value equations
Solve twice: once with the number, once with its opposite.
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Solve: |4x| = 40
Answer: Smaller x: -10; Larger x: 10
Solve: |4x| = 16
Answer: Smaller x: -4; Larger x: 4
Solve: |6x| = 66
Answer: Smaller x: -11; Larger x: 11
Tip: Solve twice: once with the number, once with its opposite.
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