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posledela
3 years ago
10

For what value of the variable the value of the expression 4(5x–8) is 4 more than the value of the expression 2(4–x)?

Mathematics
2 answers:
elixir [45]3 years ago
8 0

Answer:

For x=2

Step-by-step explanation:

This problem reduces to solving the equation

4(5x-8)=2(4-x)+4

we expand both sides

20x-32=8-2x+4

rearrange and solve for x:

22x=8+4+32

22x=44

\boxed{x=2}

which is our answer.

bearhunter [10]3 years ago
7 0

Answer:

what is the answer. can you give me an equation? That might help me be able to solve the problem. When I tried to do it, i got 18/11=x

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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7 0
2 years ago
Interior and Exterior Triangle Angles<br><br> please help asap !!!!
Fiesta28 [93]

Answer:

∠ WUV = 36°

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

∠ VWX is an exterior angle of the triangle, thus

8x - 18 = 2x + 8 + 3x + 16

8x - 18 = 5x + 24 ( subtract 5x from both sides )

3x - 18 = 24 ( add 18 to both sides )

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Thus

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8 0
2 years ago
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kykrilka [37]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
Find S8 for the geometric series 3 + -6 + 12 + -24 +…
kirill115 [55]
I guess you are asking to find the sum of the first 8 terms. If so, then:
Sum = a₁(1-rⁿ)/(1-r), where a₁ is the 1st term,  r=common ratio and n=number of terms:
the 1st term a₁ =3
common ratio r = - 2 (since -6/3 = - 2, and 12/-6 = - 2, etc.)

Sum = 3[(1- (-2)⁸]/(1-2) = 3(1- 256)/(1/2)
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6 0
3 years ago
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prohojiy [21]

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3 years ago
Read 2 more answers
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