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Grade 6
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Expressions, formulae and equations
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Using expressions and formulae
Using expressions and formulae
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Concept 1 of 3 · no score 🙂
Substituting
n
n = 5
n + 3
= 5 + 3
= 8
A letter stands for a number — swap it in to work out the value.
1
Replace each letter with its number, then work it out.
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