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Class 7 maths calculators & solutions

School maths, college foundations, and room to follow every step.

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ONE WORKSPACE. MANY WAYS TO LEARN.

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37working tools
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India · Standard 7View curriculum reference

STANDARD 7 · FORMULA TO ANSWER

Linear equations in two variables

Enter your values. Follow the working. Open the full solution whenever you need more room.

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Browse topic formulas1 tools

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Mathematics

Linear equation in one variable

Solve linear equation in one variable with your values and follow each calculation step.

Inputs

Use the units shown

RESULT

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Enter your values and select Calculate.

Formula & explanation

ax+b=c ⇒ x=(c−b)/a

Variables & units

Coefficient of x: Numeric value · minimum -1000000, maximum 1000000
Constant on the left: Numeric value · minimum -1000000, maximum 1000000
Value on the right: Numeric value · minimum -1000000, maximum 1000000

Worked example

3x+4=19 gives x=5.

Assumptions

Apply the same operation to both sides. This tool requires a unique solution.

Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.

Practice with an example

Use the default input values to find the answer. The reset icon restores those values.

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NCERT/CBSE references. Topic selections are curated practice; board, edition and year requirements vary. These are suggested topic collections, including related practice and enrichment; they are not exhaustive syllabus mappings, university endorsements, or complete exercise solutions. All public calculators stay available to every learner.

Books and source materials