Respuesta :
3x+2y=10 ①
2x+3y=10 ②
1) eliminate x
①*2: 6x+4y=20
②*3: 6x+9y=30
②*3-①*2: 5y=10
so, y=2
x=2
2) eliminate y
①*3: 9x+6y=30
②*2: 4x+6y=20
①*3-②*2: 5x=10
so, x=2
y=2
2x+3y=10 ②
1) eliminate x
①*2: 6x+4y=20
②*3: 6x+9y=30
②*3-①*2: 5y=10
so, y=2
x=2
2) eliminate y
①*3: 9x+6y=30
②*2: 4x+6y=20
①*3-②*2: 5x=10
so, x=2
y=2
x=2
y=2
3x+2y=10|x2|6x+4y=20
2x+3y=10|x3|6x+9y=30
__________________ —
5y=10
y=2
u can pick one between 3x+2y=10 and 2x+3y=10 for elimination.
2x+3y=10
2x+3(2)=10
2x+6=10
2x=10-6
2x=4
2(2)=4
4=4
y=2
3x+2y=10|x2|6x+4y=20
2x+3y=10|x3|6x+9y=30
__________________ —
5y=10
y=2
u can pick one between 3x+2y=10 and 2x+3y=10 for elimination.
2x+3y=10
2x+3(2)=10
2x+6=10
2x=10-6
2x=4
2(2)=4
4=4