Answers

2015-02-19T21:38:50+08:00

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R: Let x = the number
    4+3x= another number
E: x+4+3x=52
S: x+4+3x=52
    4x+4=52
    4x=48
    x=12; 4+3x=40
A: The numbers are 12 and 40.
C: x+4+3x=52
    12+4+3(12)=52
    16+36=52
    52=52
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2015-02-20T17:28:30+08:00

This Is a Certified Answer

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
X-first number
y-another number

x=3y+4

x+y=52
Substitute:
3y+4+y=52
Add like terms
4y+4=52
Subtract both sides by 4 to remove the 4 on the left
4y=48
Divide both sides by 4
y=12

x=3y+4
Substitute
x=3(12)+4
x=36+4
Add like terms
x=40

Hope this helps =)
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