kyliemo2003
kyliemo2003 kyliemo2003
  • 01-02-2017
  • Mathematics
contestada

Solve the system of equations.

3x+5y=9
3x+2y=3

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 01-02-2017
eliminate
multiply 2nd equtaon by -1 and add to first

3x+5y=9
-3x-2y=-3 +
0x+3y=6

3y=6
divide by 3
y=2

sub back

3x+2y=3
3x+2(2)=3
3x+4=3
minus 4 both sides
3x=-1
divide by 3
x=-1/3

(x,y)
(-1/3,2)
Answer Link

Otras preguntas

Explain what is the same about two fractions that are like fractions
which trinomial is equivalent to (3x-1)(x+4)
having troubles with inequalities.. 3.8x + 14.5 < 32
which trinomial is equivalent to (3x-1)(x+4)
which trinomial is equivalent to (3x-1)(x+4)
Explain what is the same about two fractions that are like fractions
having troubles with inequalities.. 3.8x + 14.5 < 32
having troubles with inequalities.. 3.8x + 14.5 < 32
what is the sum of 7/10 and 6/100
having troubles with inequalities.. 3.8x + 14.5 < 32