Class 8 · Mathematics · Ganita Prakash - Part II

6. Algebra Play

Try question 1

If x + 7 = 12, then x equals

Tap an answer to check.

Answer and explanation

Answer: A. 5

Subtract 7 from both sides.

Open this question →

Try question 2

If 3x = 21, then x is

Tap an answer to check.

Answer and explanation

Answer: A. 7

Divide both sides by 3.

Open this question →

Try question 3

The expression for '5 more than twice a number n' is

Tap an answer to check.

Answer and explanation

Answer: B. 2n + 5

Twice n is 2n; 5 more gives 2n + 5.

Open this question →