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Variable Isolation Calculator

Isolate any variable in a linear equation. Enter the equation coefficients and variable name to solve for.

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Coefficient of variable

Constant being added

Right-hand side value

Formula

Isolate a variable in a linear equation of the form ax + b = c. Step-by-step breakdown shows the isolation process.

ax + b = c → x = (c − b) / a

Percentage: The percentage value you want to apply

Number: The original number or value

Result: The calculated result

How It Works

1Enter the coefficient multiplying the variable (a).
2Enter the constant being added (b).
3Enter the right-hand side value (c).
4Click Calculate to isolate and solve.

Examples

Isolate x in 2x + 3 = 11

1.Enter coefficient a=2, constant b=3, RHS c=11.
2.Subtract b: 2x = 11 − 3 = 8.
3.Divide by a: x = 8/2 = 4.
4.Result: x = 4.

Result: x = 4

Isolate x in 5x − 7 = 18

1.Enter a=5, b=-7, c=18.
2.Subtract b: 5x = 18 − (−7) = 25.
3.Divide: x = 25/5 = 5.
4.Result: x = 5.

Result: x = 5

Frequently Asked Questions

Variable isolation means rearranging an equation so the variable of interest is alone on one side. For example, 2x+3=11 becomes x=4.

If a = 0, the variable disappears and the equation is either true (0=0) or false (0 = nonzero).

The formula works the same regardless of the variable name.

This calculator handles linear equations of the form ax+b=c. For higher-degree equations, use the appropriate calculators.

Variable Isolation focuses on the process of rearranging and isolating, while Equation Solver focuses on finding the numeric value.

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CalculateMe Team

Last updated: 2026-07-13

Variable Isolation Calculator - Isolate a Variable in an Equation | CalculateMe | CalculateMe