First Year maths · O.3 · One-step and two-step equations
One-step equations with negative numbers
Do the opposite operation to both sides to get x alone.
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See worked examples
Solve for x: x − 2 = −9
Answer: -7
Solve for x: x − 8 = −9
Answer: -1
Solve for x: x ÷ 8 = −1
Answer: -8
Tip: Do the opposite operation to both sides to get x alone.
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