Question

solve the equation:
7x-6y=25
5x+4y=51

Answer 1

Answer:

x = 7 and y = 4

Step-by-step explanation:

On multiple by eq 1 by 5 and eq 2 by 7 we get.

35x - 30y = 125

35x + 28y = 357

on eliminate both eq

we get

y = 4

Putting in eq

7x - 6(4) = 25

7x = 25+ 24

7x = 49.

x = 7