Question

Solve 5e - 2f =4 AND 2e-2f= -2 by elimination method​

Answer 1

Answer:

e=3,f=4

5e - 2f = 4

on multiplying - 1 in 2e - 2f = -2

-2e +2f =2

by adding

5e - 2f = 4

+

-2e + 2f = 2

3e=6

e= 6/3

e= 3

put value of e

2e -2 f= -2

2*3 - 2f = -2

-2f = -6-2

-2f = -8

f = 4