Question

Question : 6x + 4y = 24

-2x + 4y = -10


A
6x + 4y = 24
2x - 4y = 10
B
6x + 4y = 24
-4x + 8y = -20
C
18x + 12y = 72
- 6x + 12y = -30
D
12x + 8y = 48
- 4x + 8y = -10

Answer 1

correct all answer

Explanation:

A take(-)

B take 2×

C take 3× and 3×

D take 2× and 2×

Answer 2

A

Explanation:

The answer was arrived at by simply multiplying equation 2 by (-)

Making it easier to eliminate the variable (y) so as to solve for (x)