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iogann1982 [59]
1 year ago
12

Work out the value of each expression if x=4 and y=6 i 3x+9 ii 4x-y

Mathematics
1 answer:
Sergio [31]1 year ago
4 0

Answer:

i) 21 and ii) 6

Step-by-step explanation:

i) If X=4 and Y=6, then:

3X+9, replacing X

3(4) + 9

12 + 9

21

ii) 4X-Y

   4(3) - 6

    12 - 6

     6

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