adsanchez0921 adsanchez0921
  • 22-01-2020
  • Mathematics
contestada

systems of equations
15x-4y=62
5x+8y=86

Respuesta :

jimohfawwazajibola25
jimohfawwazajibola25 jimohfawwazajibola25
  • 22-01-2020

Answer:

y = 7 and x = 6

Step-by-step explanation:

15x-4y=62 ---------------------------(i)

5x+8y=86-----------------------------(ii) X 3

15x+24y=258---------------------------(iii)

(iii)-(i)

28y = 196

y = 7

Sub. for y in (I) to get x

x = 6

Answer Link

Otras preguntas

Which of the following describes the US trade policy in the 1930s?
How do I solve this and write it in scientific notation?
where do regions obtain the extra energy they need
What island did christopher columbus find first?
How many molecules are in 2.50 moles of SO2
What causes the bacteria to die in an extremely salty environment?
Round 9.77 to the nearest tenth
what is the maximum of g(x) = 2 cos(2x − π) + 2
Which cell component functions like a "cellular delivery truck" to transport cell materials?
Imari brown is attending community college. she has 1000 of educational expenses. she claims herself on her tax return. she is trying to decide between the tuit