Mathematics
Mathematics, 29.11.2020 16:50, thornlilly17

I am having a hard time with simultaneous equations specifically the elimination method, i want to know when do we subtract and when do we add, so if u know how its done plz help im confused Example :
3x-2y =7
4x+y = 13

Plz solve it too-

answer
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 14:30, purpletart41
Arrange these numbers from least to greatest 3/5 5/7 2/9
Answers: 2
image
Mathematics, 21.06.2019 17:00, TheRunningPotatoe245
Asif spent $745.10 on 13 new file cabinets for his office. small file cabinets cost $43.50 and large file cabinets cost $65.95. write and solve a system of equations to find the number of small cabinets and large cabinets he purchased. determine if each statement is true or false. 1. he purchased 5 small cabinets. true or false 2. he purchased 7 large cabinets. true or false 3. he spent $527.60 on large cabinets. true or false
Answers: 2
image
Mathematics, 21.06.2019 18:30, sidney2602
Consider the function f(x)=-5x+3 what is f(-2)
Answers: 2
image
Mathematics, 21.06.2019 22:30, ashleyrover11
(a. s."similarity in right triangles"solve for xa.) 10b.) 20c.) 14.5d.) [tex] 6\sqrt{3} [/tex]
Answers: 1
Do you know the correct answer?
I am having a hard time with simultaneous equations specifically the elimination method, i want to k...

Questions in other subjects:

Konu
Mathematics, 23.01.2020 16:31
Konu
Mathematics, 23.01.2020 16:31
Konu
Mathematics, 23.01.2020 16:31