1 year ago

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

ii) 4X-Y

4(3) - 6

12 - 6

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