Linear equations and word problems

Question 1 of 10

When 2 times a number is increased by 7, the result is 51. Find the number.

Question 2 of 10

Solve (x + 4)/4 = 8. x = ___

Question 3 of 10

Solve 5x + 1 = x + 57.

Question 4 of 10

x = 4 satisfies 3x − 5 = 7.

Question 5 of 10

Solve 6x + 8 = x + 18.

Question 6 of 10

At a durbar, 99 people paid a total of GH₵ 1,308 for entry. Adults paid GH₵ 20 each and children GH₵ 8 each. Using x for the number of adults, (a) form an equation, (b) solve it, (c) find the number of children.

Question 7 of 10

Solve (x + 2)/2 = 5. x = ___

Question 8 of 10

When 3 times a number is increased by 12, the result is 27. Find the number.

Question 9 of 10

At a durbar, 126 people paid a total of GH₵ 1,965 for entry. Adults paid GH₵ 25 each and children GH₵ 10 each. Using x for the number of adults, (a) form an equation, (b) solve it, (c) find the number of children.

Question 10 of 10

When 2 times a number is increased by 7, the result is 31. Find the number.