Question 196622
Let x and y be two numbers
.
2x+3y=13 (1)
x+y=7 (2)
.
Multiply (2) by 2 and subtract from (1)
{{{2x+3y=13}}}
-{{{2x+2y=14}}}
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3y-2y=13-14
y=-1
x+(-1)=7
x=8
The two numbers are 8 and -1