gachawolf
gachawolf gachawolf
  • 01-05-2021
  • Mathematics
contestada

Substitution method please help :3

Substitution method please help 3 class=

Respuesta :

themathexpertise
themathexpertise themathexpertise
  • 01-05-2021

Answer:

3x = 14

Step-by-step explanation:

Add the two equations.

5x + (-2x) = 3x

(-y) + y = 0

6 + 8 = 14

3x = 14.

Answer Link
Samson2007
Samson2007 Samson2007
  • 01-05-2021

Step-by-step explanation:

5x - y = 6 and -2x + y = 8

1/ 5x - y = 6

=> y = 5x - 6

2/ -2x + y = 8

Substitute 1/ into 2/ we will have:

-2x + (5x - 6) = 8

=> -2x + 5x - 6 = 8

=> 3x = 14

=> x = [tex]\frac{14}{3}[/tex] <=> y = [tex]\frac{52}{3}[/tex]

- However, the question asked for the final equation when adding 5x - y = 6 and -2x + y = 8 => The correct answer will be: 3x = 14

Answer Link

Otras preguntas

Read the sentence from a story lead. Then select which of the five Ws in the reporter’s formula is not answered.   CAPE CANAVERAL, Fla. — The Walk on the Moon s
Solve x2+4x+1=0. Please someone help me asap
The ability of scientists to provide models of the
Motor nerve neuropathy is characterized by:
Time/Temperature Control for Safety Food (TCS)
the excursion boat on the river takes 2 1/2 hours to make the trip to a point 12 miles up stream and to return. If the rate at which the boat travels in still w
The r&r company's manufacturing costs for august are: direct labor, $25,000; indirect labor, $10,500; direct materials, $28,600; taxes on raw materials and
Why is the Mausoleum at Halicarnassus an ancient wonder?
When did the land bridge between north and south america form?
If i was born in 2002 how old will i be in 2130