Question

What is the value of x in the equation7x+2y=48 , when y = 3?

Answer 1

x = 6

Explanation:

put '3' in where 'y' is :

7x + 2(3) = 48

7x + 6 = 48 subtract 6 from both sides of the equation

7x = 42 divide both sides by 7

x = 6