Solve the equations with one variable for an explicit value (or values) of the unknown:

3 / x = a / 3


2x2 = 32 Cross multiplied
x2=33/2 Divided by 2
x2 = 4(32 / 2) Took square root
x = 3 / 42 Simplified radical
x = ±3 / 42 Accounted for the negative root
To remove radical from denominator multiply right side by (42 / 42). Since this = 1, no need to multiply left side.
x = ± (3 X12)/ (42 * 42)
x = ± (3 42)/2 Simplified ratio
x = ± (3/2) 42 Grouped 3/2
x = ± (11)1/2 This is the solution.

Computer Science & Information Technology

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