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shenela shenela
  • 13-04-2015
  • Mathematics
Answered

add 3 to my number and then multiply the result by 5 the answer is 35

Verified Answer :

Anonymous Anonymous
  • 13-04-2015

7x5=35? I'm sorry if this is incorrect. I tired i'm not exactly sure.

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apologiabiology
apologiabiology apologiabiology
  • 13-04-2015

number=x since unknon
add 3 to x
3+x, thenmultiply by 5
(3+x) timmes 5 answer is 35
5(3+x)=35
now distribute useing distributive property
a(b+c)=ab+ac
5(3+x)=15+5x
15+5x=35
subtract 15 from both sides
5x=20
divide both sides by 5
x=4

the nuber is 4

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