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\frac{\frac{12}{x}}{256}=1.7\times 2
Multiply 4 and 64 to get 256.
\frac{\frac{12}{x}}{256}=3.4
Multiply 1.7 and 2 to get 3.4.
\frac{12}{x}=3.4\times 256
Multiply both sides by 256.
12=3.4\times 256x
Variable x cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by x.
12=870.4x
Multiply 3.4 and 256 to get 870.4.
870.4x=12
Swap sides so that all variable terms are on the left hand side.
x=\frac{12}{870.4}
Divide both sides by 870.4.
x=\frac{120}{8704}
Expand \frac{12}{870.4} by multiplying both numerator and the denominator by 10.
x=\frac{15}{1088}
Reduce the fraction \frac{120}{8704} to lowest terms by extracting and canceling out 8.