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Mekhanik [1.2K]
3 years ago
9

The difference of two numbers is 40. Their sum is 66. Find the numbers.

Mathematics
2 answers:
Margaret [11]3 years ago
8 0
First of all, x>y
x-y=40
and
x+y=66
add them equations together to eliminate

x-y=40
<u>x+y=66 +</u>
2x+0y=106

2x=106
divide by 2
x=53

sub back
x-y=40
53-y=40
minus 53 both sides
-y=-13
y=13


the numbers are 53 and 13
Zolol [24]3 years ago
5 0
53-13 equals 40 and 13+53 is 66
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