Solve the question of and select the option from the choices A through D/E. Check your Answer and view the explanation.
y = 1 3 x + 9
Solve for x when y=2.
The first thing is to plug in the given value so your equation is
2 = 1 3 x + 9
Then you must subtract 9 from both sides in order to get x by itself. You now have
− 7 = 1 3 x
and you must multiply by 3 for each side and you get x=−21.