Question

Given that 2x-5y=17 find x when y =1​

Answer 1

2x1-5y=17

2-5y=17

-5y=17-2

-5y=15

y=-3

Explanation:

Answer 2

x =11

Explanation:

2x-5y=17

Let y=1

2x-5(1) = 17

2x-5=17

Add 5 to each side

2x-5+5 = 17+5

2x = 22

Divide each side by 2

2x/2 = 22/2

x =11