|| Equations in one unknown ||

Solving a first degree equation in one unknown

Exercises

For each question, click on the box corresponding to your answer, and then click on the 'Submit Answer' button.

1- Solve the equation 5x + 15 = 0
x = -15 x = 3 x = -3


2- Solve the equation 3x - 8 = 0
x = -8/3 3x = 8 x = 8/3


3- Solve the equation 3x + 4 = x + 4
x = 0 x = 2 x = 4


4- Solve the equation 5t + 2 = 7 - 3t
t = 8/5 t = 5/8 t = 5/2


5- Solve the equation 5(p + 2) = 3(2 - 3p)
p = -2/7 p = -4/14 p = -1/2


6- Solve the equation 2(3x - 4) = 6x + 4
x = 0 x = 12 This equation has no solution.


7- Solve the equation = 7
x = 1/3 x = 3 This equation has no solution.
     


8- Solve the equation =
a = -5 a = 5 This equation has no solution.
     


9- Solve the equation kx - 3 = 2x + 5
k 2 k 2 This equation is impossible to solve.
     


10- Solve the equation (y + 1) - (2 - 3y) = 0
y = 6/39 y = -2/13 y = 2/13 None of these answers is correct.
          


|| Equations in one unknown ||