x+y=20
x=2y-1
Substitute
2y-1+y=20
3y=21
y=7
x=13
Aidan F.
asked 03/04/20The sum of two number is 20, the first number is one less than two times the second number. Solve for each number
x+y=20
x=2y-1
Substitute
2y-1+y=20
3y=21
y=7
x=13
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