Mathematics
Nickdoggydogjg
19

And it's elimination using addition and subtraction x-y=1 x+y=3

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(2) Answers
emily97

Get one x+y=3 to y=x+3 and plug it into x-y=1 and you get x-(x+3)=1. Destitute the x and solve. Once you get what x equals plug it to to either equation for the value of x and solve for y

daycat

X-y=1. ....> x=1+y (1+y)+y =3 1+y+y =3 1+2y =3 2y=3-1=2 ....>y =2/2=1 Y=1 X-y=1 X-1=1. ....>x=1+1 =2 X=2. Y=1

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