Class 8 · Chapter 13

Algebra Play

Linear equations, word problems, and applications.

Read the full chapter
Ganita Prakash · Class 8 Part 2 (2026-27)
Tip: NCERT updated the syllabus for 2026-27. The links above open the latest edition on the official portal — chapter titles and numbering may differ from the notes shown here.
Detailed theory
Isolate variable step by step. Standard forms: ax+b=cax + b = c, a(x+b)=ca(x+b) = c.
Key concepts & formulas
01
**Linear equation**: variable to power 1 only.
02
Solve by transposing terms across ==.
03
Word problems: choose a variable, translate to equation.
04
Check solution by substitution.
05
Some equations have infinite/no solutions.
Gyaan Maths — CBSE Class 6-12, built for board-toppers.
v1.1 · Sept 2026