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kow [346]
4 years ago
10

I am stumped on this breakdown 1/2(6x-8)-2=39

Mathematics
1 answer:
raketka [301]4 years ago
5 0

Answer:

1/2(6x-8)-2=39

.5(6x-8)-2=39

3x -4 -2 = 39

3x-6=39

3x-6+6=39+6

3x=45

3/3x=45/3

x=15

Step-by-step explanation:

1/2(6x-8)-2=39

.5(6x-8)-2=39

3x -4 -2 = 39

3x-6=39

3x-6+6=39+6

3x=45

3/3x=45/3

x=15

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What is x? 3x+43=100​
jenyasd209 [6]

Answer:

x = 19

Step-by-step explanation:

Solve for x:

3 x + 43 = 100

Subtract 43 from both sides:

3 x + (43 - 43) = 100 - 43

43 - 43 = 0:

3 x = 100 - 43

100 - 43 = 57:

3 x = 57

Divide both sides of 3 x = 57 by 3:

(3 x)/3 = 57/3

3/3 = 1:

x = 57/3

The gcd of 57 and 3 is 3, so 57/3 = (3×19)/(3×1) = 3/3×19 = 19:

Answer:  x = 19

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3 years ago
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3 years ago
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Liono4ka [1.6K]

Answer:

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4 years ago
Solve the proportion. a. 4/x = 9 b. 7.5/26 = 75/p
lina2011 [118]

<u>ANSWER: </u>

The values of x and p after solving given equations are 0.445 or \frac{4}{9} and 260 respectively..

<u>SOLUTION: </u>

Given, two proportions are \frac{4}{x} =9 and \frac{7.5}{26} = \frac{75}{p}

We need to solve the given two proportions.

Let us solve the first proportion, \frac{4}{x} = 9

\frac{4}{x} = \frac{9}{1}

On cross-multiplication, we get

4 \times 1 = 9x

4 = 9x

x = \frac{4}{9}

x = 0.445

Now, let us solve the second proportion  \frac{7.5}{26} = \frac{75}{p}

\frac{\frac{75}{10}}{26}=\frac{75}{p}

\frac{75}{10 \times 26} = \frac{75}{p}

\frac{1}{260} = \frac{1}{p}

On cross-multiplication, we get

p = 260

Hence, the values of x and p after solving given equations are 0.445 and 260 respectively.

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3 years ago
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inysia [295]
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