Hafsa821123 Hafsa821123

22-01-2020
Mathematics

contestada

x+y=7
x-y=3
2x-3y=15
3x-2y=10

Relax

Respuesta :

mp1784777 mp1784777

22-01-2020

Step-by-step explanation:

x+y=7 _ eqn1

x-y=3_ eqn2

add eqn1 and eqn2

x+y=7

+ x-y=3

= 2x= 10

x=5

x+y=7

5+y=7

y=7-5

y=2 proved

Answer Link

Otras preguntas

. Which sentence is written from the third-person omniscient point of view? jonas richards felt lucky to be back in the forest. i knelt down and touched the mos

Solve for x: x = 25/2 x = 50 x = 25 None of the above

if f(x)={(3,5),(2,4),(1,7)} and g(x)=square root(x-3) what do i do to determine (f+g)(1) ...?

kenya picked 18 flowers from her garden. If 3/5 of flowers in her garden remain unpicked, how many flowers are still in her garden?

If 60 seconds are in a minute, 60 minutes in an hour, and 24 hours in a day, then 86,400 seconds are in a day. What type of reasoning is this? inductive deducti

Almost all absorption of food takes place in which

Select the FALSE statement below about the structure of myoglobin. a. The O2-binding pocket of myoglobin contains several nonpolar amino acid sidechains that ca

Lee's paper clip chain is 32 feet long. How is going to add paper clips continually for the next 8 hours. At the end of eight hours, the chain is 80 feet long.

How many significant figures does the number 520 have? What is the difference between a systematic error and a random error?

Jim Debt was reviewing the total accounts receivable. This month he received $80,000 from Credit customers. This represented 40 percent of all receivables due.