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kirza4 [7]
3 years ago
12

What is the value of x? Enter your answer in the box. x = ​​

Mathematics
2 answers:
liberstina [14]3 years ago
6 0

Answer:

x=5

Step-by-step explanation:


rosijanka [135]3 years ago
3 0

Set up a ratio:

9 / 2x-1 = 15 / 3x

Cross multiply:

9 *3x = 15 * 2x-1

Simplify:

27x = 30x - 15

Subtract 30x from both sides.

-3x = -15

Divide both sides by -3:

x = -15 / -3

x = 5


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3 years ago
Read 2 more answers
Can some one help me plz trying to figure out? Need help ASAP
zloy xaker [14]

Answer:

a. = -35 \\ b. = 9a + 1 \\ c. = -35

Step-by-step explanation:

a. \\  =  >  \: 7a - 1 + 2a + 2 \\  \\  =  > 7( - 4) - 1 + 2( - 4) + 2 \:  \:  \:  \:  \:  \: \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \:  \: (a =  - 4) \\  \\  =  >  - 28 - 1 - 8 + 2 \\  \\  =  >  - 37 + 2 \\  \\  =  >  - 35 \\  \\  \\ b. \\  =  > 7a - 1 + 2a + 2 \\  \\  =  > 7a + 2a - 1 + 2 \\  \\  =  > 9a + 1 \\  \\  \\ c. \\  =  > 9a + 1 \\  \\  =  > 9( - 4) + 1 \:  \:  \:  \:  \:  \: \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \:  \: (a  =  - 4) \\  \\  =  >  - 36 + 1 \\  \\  =  >  - 35

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3 years ago
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