ellej97 ellej97
  • 04-09-2019
  • Mathematics
contestada

15x + 31y = -3
X= -y +3

Respuesta :

Pashley Pashley
  • 04-09-2019

Step-by-step explanation:

x+y=3

x=3-y

15 (3-y)+31y =-3

45-y+31y=-3

-y+31y =-3-45

30y÷30=-48÷30

y=-1,6

x+y=3

x+-1,6=3

x-1,6=3

x=3+1,6

x=4,6

Answer Link

Otras preguntas

Apostó _________ el partido lo ganaría el equipo español. Seleccione unha: A. por que B. Por qué C. porque D. porqué Pregunta 2 Aínda non respondido Puntuado so
A. complete the table if y varies directly as x or x
Refer to the Newsela article "How You Can Make a Solar Oven To Cook with a Pizza Box." What is the author's purpose in including a recipe for s'mores? to convin
an expression for the area of a rectangular piece of sheet metal is X^2+8x+12. An expression for the length of the same piece of sheet metal is x+6. Determine a
who knows what 59.95 multiplied by 44.95. And 13.95 multiplied by 15.95.
At Cheng's Bike Rentals, it costs $24 to rent a bike for 5 hours. How many dollars does it cost per hour of bike use?
Heyyy!!! How was yall's day
X^+17x+72=12 factoring quadratic equation
Besides the fact that Hurston grew up in Eatonville, why reasons do you think she might have had to use the town as the setting for her novel their eyes were wa
Help help help help help help help English