Solving a Two-Step Equation
Examine the worked problem and solve the equation.
4
1
= 9
3
1
5 (2) -3 +3 = 9+
9 (-x) = 28
The solution is. x=

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

How do you determine whether a relationship represented as as graph is linear or nonlinear