3 years ago

7.8 x - 17.2 when x=5

2 answers:

juin [17]3 years ago

8 0

I hope this helps.
7.8x5-17.2=21.8

5 0

1) Replace x with 5.

7.8(5) - 17.2

2) Multiply

7.8 x 5 = 39

3) Subtract

39 - 17.2 = 21.8

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