Question

Solve the equations please. ​

Answer 1

Answer:

1 ) 2x - 5y + 8 = 0_____(1)

x - 4y + 7 = 0______(2)

Multiplying by 2 to (2)

2x - 8y = -14_____(3)

subtracting (2) from (1)

-5y + 8y = -8 + 14

3y = 6

y = 2 and 

2x - 5 × 2 + 8 = 0

2x - 10 + 8 = 0

2x - 2 = 0

x = 1

Answer 2

Answer:

I hope it will help you , lesson no 1 of algebra