Asked by Pam
The sum of two numbers is 9. Four times the larger number plus three times the smaller number is 48. Find the numbers. Thank you
Answers
Answered by
Reiny
let the smaller be x
then the larger is 9-x
" Four times the larger number plus three times the smaller number is 48" ---> 4(9-x) + 3x = 48
36 - 4x + 3x = 48
-x = 12
x = -12
The smaller is -12 and the 21
check:
-12 + 21 = 9 , check!
4(21) + 3(-12) = 48 , check!
then the larger is 9-x
" Four times the larger number plus three times the smaller number is 48" ---> 4(9-x) + 3x = 48
36 - 4x + 3x = 48
-x = 12
x = -12
The smaller is -12 and the 21
check:
-12 + 21 = 9 , check!
4(21) + 3(-12) = 48 , check!
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