3 years ago

Solve 1/2x - 12 = 12

Mathematics

1 answer:

cluponka [151]3 years ago

6 0

Answer:

x = 28.

Step-by-step explanation:

1/2x - 12 = 12

Add 12 to both sides:

1/2x - 12 + 12 = 12 + 12

1/2x = 24

Now, to isolate x we multiply both sides by 2:

1.2 x * 2 = 24 * 2

x = 48.

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his income must be "x" which is the 100%, and we would know that 2% of that is 12.37.

$\begin{array}{ccll} amount&\%\\ \cline{1-2} x&100\\ 12.37&2 \end{array}\implies \cfrac{x}{12.37}=\cfrac{100}{2}\implies 2x=1237 \\\\\\ x=\cfrac{1237}{2}\implies x=618.5$