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Fittoniya [83]
3 years ago
14

1/2 (5-2h) = h/2, solve for h

Mathematics
2 answers:
Brilliant_brown [7]3 years ago
8 0

Answer:

h = 1 2/3

Step-by-step explanation:

1/2 (5-2h) = h/2

Multiply each side by 2

(5-2h) = h

Add 2h to each side

(5-2h +2h) = h+2h

5 = 3h

Divide by 3

5/3 = 3h/3

5/3 =h

1 2/3 = h

Check

1/2 (5-2*5/3) = 5/3/2

1/2 ( 5 - 10/3) = 5/6

1/2 ( 15/3 - 10/3) = 5/6

1/2 ( 5/3) = 5/6

5/6 = 5/6

olga55 [171]3 years ago
8 0

Answer:

A

Step-by-step explanation:

So we have the equation:

\frac{1}{2}(5-2h)=\frac{h}{2}

First, let's multiply both sides by 2 to get rid of the fractions. The 2s will cancel. So:

2(\frac{1}{2}(5-2h))=2(\frac{h}{2})

Simplify:

5-2h=h

Add 2h to both sides:

5=3h

Divide both sides by 3:

h=5/3

Change into mixed fractions:

h=1\frac{2}{3}

So, our answer is A.

And we're done!

To check, substitute 5/3 back in:

\frac{1}{2}(5-2(5/3))=\frac{(5/3)}{2}

Multiply and divide:

\frac{1}{2}(5-10/3)=\frac{5}{6}

Subtract on the left:

\frac{1}{2}(5/3)=\frac{5}{6}

Multiply:

\frac{5}{6}\stackrel{\checkmark}{=}\frac{5}{6}

So, our answer is correct!

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