Class 6 maths · F.6 · One-step equations
Solve one-step equations with decimals: addition and subtraction
Do the opposite operation to both sides. Line up the decimal points.
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See worked examples
Solve: x + 7.4 = 11
Answer: 3.6
Solve: m + 6.4 = 8.2
Answer: 1.8
Solve: m + 1.8 = 2
Answer: 0.2
Tip: Do the opposite operation to both sides. Line up the decimal points.
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