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Inequality Calculator

Solve a one-variable linear inequality of the form a·x + b (op) c for x. Get the solution, interval notation, and a number-line graph with the correct open or closed circle and shading.

Solve:  a·x + b  (op)  c  for  x
a x + b op c

Solving a·x + b (op) c. Remember: when you divide by a negative a, the inequality sign flips. Decimals and negatives are fine.

Results

Solution
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Interval notation
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Boundary value
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Endpoint
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Number line

Solution setBoundary

Step-by-step (isolate x)