daisydungrat1208 daisydungrat1208
  • 09-01-2022
  • Mathematics
contestada

Solve the following simultaneous equations.
5x – 3y = 6
3x + 4y= 21

Solve the following simultaneous equations 5x 3y 6 3x 4y 21 class=

Respuesta :

fieryanswererft
fieryanswererft fieryanswererft
  • 09-01-2022

Answer:

y  = 3, x = 3

Step-by-step explanation:

5x – 3y = 6

5x = 6 + 3y

x = (6 + 3y)/5

3x + 4y= 21

3x = 21 - 4y

x = (21-4y)/3

Using simultaneous equations:

(21-4y)/3 = (6 + 3y)/5

--> 105-20y = 18 + 9y

29y = 87

  • y = 3

  • x = (6 + 3(3))/5 = 3
Answer Link

Otras preguntas

What do evolutionary biologists study answers?
A ________________ is a one-movement orchestral composition based to some extent on a literary or pictorial idea.
A triangle has side length of 16,63,68. Is it a right triangle?
Which strategy can help you maintain an exercise program?
Which statement about fairy tales suggests an indirect cause?
Nancy bought a rectangular piece of felt 25 cm by 19 cm and a piece of lace 13 cm by 9 cm. What was the area of the felt? cm2
Mina works in the public relations department of national sales company. her job includes portraying national's activities in their best light. in this context,
Fluent aphasia, in which the victim has difficulty comprehending language but is still able to speak smoothly, is due to damage that includes ____.? ?broca's ar
Which of the following represents an example of this influence?
The term balance of power means