Question

Find the value of y when x=3
y=10-3x

Answer 1

Answer: y = 1

Explanation:

y = 10-3x , x = 3

=> y = 10 - 3x
= y = 10 - 3(3)
= y = 10 - 9
=> y = 1

Therefore, y = 1

Answer 2

y=1

Explanation:

In order to solve this problem, you have to substitute 3 in for x. Then you would multiply 3 by 3, which equals 9. Subtract 9 from 10, equals 1.

I included a picture so you can see the work.

Hope this helped!