Question

2x + 5y = 2
5x + 10y = 17

solve for x

Answer 1

Step-by-step explanation:

2x + 5y = 2 multiplying this equation by two we get:

4x + 10y = 4

substracting this to second equation 5x + 10y = 17 we get-

x + 0 = 13

=> x = 13

Thank you!

Answer 2

Step-by-step explanation:

2x+5y=2. (1)

5x+10y=17. (2)

multiply by 2 to equation (1),

4x+10y=4. (3)

subtract equation (3) from (2),

x=13