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lukranit
[14]
3 years ago
15
A first number plus twice a second number is 1. twice the first number plus the second totals 26. find the numbers.
Mathematics
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1
answer:
spayn
[35]
3 years ago
5
0
{x+2y=1
{2x+y=26
{x+y=9
{x+2y=1
y=-8
x=17
The first number is 17
The second number is -8
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