How do you solve $3.2 x = 22.4$ $3.2x = 22.4$ ?

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Answer 1 · 2018-06-12T12:31:56

$x = 7$ $x=7$

$3.2 x = 22.4$ $3.2x=22.4$

$\frac{3.2 x}{3.2} = \frac{22.4}{3.2}$ $(3.2x)/3.2=22.4/3.2$

$x = 7$ $x=7$

Answer 2 · 2018-06-12T12:33:57

$x = 7$ $x=7$

You only need to divide both sides by $3.2$ $3.2$ : the expression becomes

$\frac{3.2 x}{3.2} = \frac{22.4}{3.2}$ $\frac{3.2x}{3.2} = \frac{22.4}{3.2}$

in the left hand side you can simply the fraction, since you're basically multiplying and dividing by the same number:

$\frac{cancel(3.2)x}{cancel(3.2)} = \frac{22.4}{3.2}$

and thus

$x = \frac{22.4}{3.2} = 7$

How do you solve 3.2x = 22.43.2x=22.43.2x = 22.4?