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Addition and Subtraction of Algebraic Expression

Leo bought a ...

Question

Leo bought a shit for $R s (5 x + 20)$ and a belt for $R s (2 x - 10)$ . How much did he spend?

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Solution

Cost of Shirt $=5x+20
Cost of Belt $= 2 x - 10$

Total money spent $= 5 x + 20 + 2 x - 10$
$= 7 x + 10$

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