Question

comprobación de x+3y=6 5x-2y=13

Answer 1

X+3y=6
5x-2y=13

X=6-3y

5(6-3y)-2y=13
30-15y-2y=13
-15y-2y=13-30
-17y=-17
Y=-17/-17
Y=1

X=6-3y
X=6-3•1
X=6-3
X=3

X=3
Y=1

X+3y=6
3+3•1=6
3+3=6
6=6

5x-2y=13
5•3-2•1=13
15-2=13
13=13