Lici16 Lici16
  • 12-01-2015
  • Mathematics
contestada

3x-5y=11
X=3y+1
Solve by substitution

Respuesta :

naǫ
naǫ naǫ
  • 12-01-2015
[tex]3x-5y=11 \\ x=3y+1 \\ \\ \hbox{substitute 3y+1 for x in the 1st equation and solve for y:} \\ 3(3y+1)-5y=11 \\ 9y+3-5y=11 \\ 4y+3=11 \\ 4y=11-3 \\ 4y=8 \\ y=\frac{8}{4} \\ y=2 \\ \\ \hbox{now substitute 2 for y in one of the equations and solve for x:} \\ x=3 \times 2 +1 \\ x=6+1 \\ x=7 \\ \\ \hbox{the answer:} \\ x=7 \\ y=2[/tex]
Answer Link

Otras preguntas

What is the math on 8 + vover4 = 20
2cos theta = sec theta.. what are they asking me to find?
la dirección una carta el buzón las estampillas, los sellos la tarjeta postal los altavoces, las bocinas el correo electrónico la contraseña la pantalla el tecl
In what psychosexual stage do sexual interests reawaken and become stronger?
A local college bookstore paid a net price of $12,500 for textbooks for the coming semester. The publisher offered a trade discount of 20%. The publisher's ori
Which statements are true about the ordered pair (2, 3) and the system of equations? 3x + 4y = 18 2x - 2y = 2 Choose each correct answer A) When (2, 3) is subst
What is the square root of 24?
Write the fractions from smallest to largest 3/5, 9/10, 1/4, 5/12
AB = 3x + 2 and AC = x + 14 . What's BC?
What is the percentage change in the multifactor labor and raw materials productivity measure for sunpath between 2011 & 2012?