mercymain1014
09.01.2020 •
Mathematics
The sum of two #'s is 29. the sum of the smaller and 2 times the larger is 45. find the #'s.
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Ответ:
x+y=29
y=29-x
x+2y=45
x+2(29-x)=45
x+58-2x=45
-1x=-13
x=13
y=29-13=16
x+y = 13+16 = 29
x+2y= 13 + 2(16) = 13+32 = 45
so the numbers are 13 & 16
Ответ:
86 Step-by-step explanation: