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Algebra Expression

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Pio Cain
 
Reply Thu 23 May, 2019 11:03 am
3(x+2)
Can you show me the method please.
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Reply Thu 23 May, 2019 12:07 pm
@Pio Cain,
(x+2) means "the quantity (total) of x+2"
3(x+2) means "3 multiplied by the quantity of x+2"
If x=5, substitute 5 for the x
(5+2)=7
So, 3 multiplied by the quantity (5+2) = 21

If x= 20
20 + 2 = 22
3 x 22 = 66
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