Question

3x+7y=63 solve for x

Answer 1

`x = 21 - 2(1)/(3)y`

Explanation:

3x + 7y = 63

Minus 7y from both sides, then you get...

3x = 63 - 7y

Now we divide both sides by three to find the value of x:

`x = 21 - 2(1)/(3)y`