Formula deep page
Linear Equation
ax + b = c → x = (c - b) / a
This formula belongs to the chapter "Simple Equations" in Class 7 Mathematics. Use it after identifying the right variables, matching the chapter context, and writing the substitution clearly.
How to use it
- Identify the quantity you need to find.
- Check the related variables and units from the question.
- Substitute values carefully into the formula.
- Simplify step by step and write the final statement.
Worked cue
3x + 4 = 19 → x = (19-4)/3 = 15/3 = 5
Rule note: a ≠ 0
