Evaluate
-\frac{x}{3}+45
Factor
\frac{135-x}{3}
Graph
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\frac{45\times 3}{3}-\frac{x}{3}
To add or subtract expressions, expand them to make their denominators the same. Multiply 45 times \frac{3}{3}.
\frac{45\times 3-x}{3}
Since \frac{45\times 3}{3} and \frac{x}{3} have the same denominator, subtract them by subtracting their numerators.
\frac{135-x}{3}
Do the multiplications in 45\times 3-x.
\frac{135-x}{3}
Factor out \frac{1}{3}.
Examples
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Integration
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Limits
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