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liraira [26]
3 years ago
5

100 Points!!!!!!!!!!!! HELP

Mathematics
2 answers:
stira [4]3 years ago
8 0
I think it’s D?? But again I’m not sure sorry if you get it wrong tho
IrinaVladis [17]3 years ago
4 0

Answer:

d is the answer brainliest?

Step-by-step explanation:

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If 2x + 5 = 8x, then 12x = ?A.5B.10C.15D.20
butalik [34]
<h2>Answer:</h2>10.\text{ Option B is correct}

<h2>Explanation:</h2>

Given the equation expressed as:

2x+5=8x

First, we need to calculate the value of "x" from the given expression.

Step 1: Given the equation 2x + 5 = 8x

Step 2: Subtract 5 from both sides:

\begin{gathered} 2x+5-5=8x-5 \\ 2x+\cancel{5}-\cancel{5}=8x-5 \\ 2x=8x-5 \end{gathered}

Step 3: Subtract 8x from both sides

\begin{gathered} 2x-8x=8x-8x-5 \\ -6x=\cancel{8x}-\cancel{8x}-5 \\ -6x=-5 \end{gathered}

Step 4: Divide both sides by -6

\begin{gathered} \frac{-6x}{-6}=\frac{-5}{-6} \\ x=\frac{5}{6} \end{gathered}

Step 5: Get the value of 12x. Substitute x = 5/6 into the expression to have:

\begin{gathered} 12x=12(\frac{5}{6}) \\ 12x=\cancel{12}^2(\frac{5}{\cancel{6}^1}) \\ 12x=2\times5 \\ 12x=10 \end{gathered}

Therefore the value of 12x is 10

3 0
1 year ago
Hey!! if you can please help me with 4 and 5 ☺️☺️
drek231 [11]

Answer:

so sorry yarr my same question

I hope you other

4 0
3 years ago
Please write an answer with NO FILES, NO LINKS, AND NO WRONG OR TRICK ANSWER!
vichka [17]

Answer:

18 inches

Step-by-step explanation:

A=L·H

108 in²=L·6 in

L=\frac{108}{6}

L=18 inches

7 0
2 years ago
if two straight lines intersect each other in such a way that one of the angles formed measures 90 degree show that each of the
Hitman42 [59]
I hope this helps in answering your question! If you have any inquiries to the solution, feel free to leave a comment!

6 0
3 years ago
Read 2 more answers
Write an expression for "m decreased by 2.”
NISA [10]

Answer:

m-2

Step-by-step explanation:

m is being subrtacted by 2

8 0
3 years ago
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