How do you solve $4 - \frac{m}{2} = 10$ $4 - m/2 = 10$ ?

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How do you solve $4 - \frac{m}{2} = 10$ $4 - m/2 = 10$ ?

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Answer 1 · 2016-04-05T05:04:46

$m = - 12$ $m=-12$

Explanation:

The equation is:

$4 - \frac{m}{2} = 10$ $4-m/2=10$

We will multiply the whole equation by $2$ $2$ :

$4 \cdot 2 - \frac{m}{2} \cdot 2 = 10 \cdot 2$ $4*2-m/2*2=10*2$

$8 - m = 20$ $8-m=20$

Now, subtracting $8$ $8$ from both sides:

$8 - 8 - m = 20 - 8$ $8-8-m=20-8$

$- m = 12$ $-m=12$

$m = - 12$ $m=-12$

Answer 2 · 2016-04-05T07:35:36

$m = - 12$ $m=-12$

Explanation:

$4 - \frac{m}{2} = 10$ $color(blue)(4-m/2=10$

Subtract $4$ $4$ both sides

$rarrcancel4-m/2cancel(-4)=10-4$

$rarr-m/2=6$

Multiply both sides by $2$

$rarr-m/cancel(2)*cancel2=6*2$

$rarr-m=12$

$color(green)(rArrm=-12$

Check

$4-(-12)/2=10$

$4+12/2=10$

$4+6=10$

$10=10$

Correct!

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How do you solve $4 - \frac{m}{2} = 10$ $4 - m/2 = 10$ ?

2 Answers

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