Solve for a
a = \frac{45}{4} = 11\frac{1}{4} = 11.25
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a=\frac{15}{4}\times 3
Multiply both sides by 3.
a=\frac{15\times 3}{4}
Express \frac{15}{4}\times 3 as a single fraction.
a=\frac{45}{4}
Multiply 15 and 3 to get 45.
Examples
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Matrix
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Differentiation
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Limits
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