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Work out the value of: 5x - 2y when x = 3 and y = 4

User Colin Su
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2 Answers

4 votes

Answer:

7

Explanation:

User Bogdan Burym
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7 votes
the expression is 5x - 2y
Use PEMDAS and work out the rest
x = 3 and y = 4
5 x = 5 x 3 = 15
2 y = 2 x 4 = 8
15( x ) - 8 (y) = 7
The answer is 7

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User Ninoska
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