Question

2x-5y+8=0,x-4y+7solve the following equation

Answer 1

3x + 15 = 9y

Step-by-step explanation:

2x + x + 8 = 0 + 4y + 5y + 7

3x + 8 = 9y + 7

3x + 15 = 9y

Answer 2

2x-5y+8=0

=2x-5y=-8

x-4y+7=0

=x-4y=-7

=2x-5y=-8 {×4}

x-4y=-7{×5}

= -3x=-3

=1