Linear equations in one variable

Question 1 of 10

Solve for x: 4x + 18 = 42. x = ___

Question 2 of 10

Solving 2(x + 1) = 10 gives x = 4.

Question 3 of 10

Solve 4y = 28.

Question 4 of 10

A father is 3 times as old as his son. The sum of their ages is 52 years. (a) Form an equation, using x for the son's age. (b) Solve it to find both ages. (c) How old will the father be in 4 years?

Question 5 of 10

I think of a number, double it and add 4. The answer is 20. The number is

Question 6 of 10

If 2x = 10, then x = 20.

Question 7 of 10

Solve m/3 = 6.

Question 8 of 10

Solve 3(x − 2) = 12.

Question 9 of 10

A father is 3 times as old as his son. The sum of their ages is 44 years. (a) Form an equation, using x for the son's age. (b) Solve it to find both ages. (c) How old will the father be in 10 years?

Question 10 of 10

Solve 3(x − 5) = 3.