Solve for x
x=4.9
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4x=2.8\times 7
Multiply both sides by 7.
4x=19.6
Multiply 2.8 and 7 to get 19.6.
x=\frac{19.6}{4}
Divide both sides by 4.
x=\frac{196}{40}
Expand \frac{19.6}{4} by multiplying both numerator and the denominator by 10.
x=\frac{49}{10}
Reduce the fraction \frac{196}{40} to lowest terms by extracting and canceling out 4.
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