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quester [9]
3 years ago
5

What value of X makes the equation true -7x - (-5-x) = -9(2x-1) -1

Mathematics
1 answer:
Bond [772]3 years ago
5 0

Answer:

x = 1/4

Step-by-step explanation:

-7x - (-5-x) = -9(2x-1) -1

-7x + 5 + x = -18x + 9 - 1

combine like terms:

-6x + 5 = -18x + 8

add 18x to each side of the equation:

12x + 5 = 8

subtract 5 from each side:

12x = 3

divide both sides by 12:

x = 3/12 = 1/4

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Answer:

56lb

Step-by-step explanation:

there are 2000lbs in a ton so a measurement in pounds is more precise

5 0
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The formula P = 6s gives the formula for the perimeter of a regular hexagon with side length s. What is the perimeter of a regul
stellarik [79]
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6 0
3 years ago
Simple 9th grade math
Liono4ka [1.6K]

Answer:

-1078

Step-by-step explanation:

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aₙ=a₁+(n-1)*d

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5 0
2 years ago
Please help me! I’ll mark brainliest.
soldi70 [24.7K]

Answer:

A- 16 songs a day

B- 32 songs in the weekend

Step-by-step explanation:

A- if she songs "jingle bells" 5 times, the sings"silver bells" twice as many times, that would just be like multiplying  5 x 2, which equals 10, then add the 5 times she sings jingle bells, that would be 15. then she sings "silent night" one time which adds on to the other songs to get 16 songs a day

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5 0
3 years ago
Read 2 more answers
|4x + 7| − 4 = 20<br> Can anyone help me with this
Reil [10]

Answer:

x = -31/4  or x = 17/4

Step-by-step explanation:

|4x + 7| − 4 = 20

⇔ |4x + 7| − 4 + 4 = 20 + 4

⇔ |4x + 7| = 24

⇔ 4x + 7 = 24  or 4x + 7 = -24

⇔ 4x = 24 - 7 or 4x = -24 - 7

⇔ 4x = 17 or 4x = -31

⇔ x = 17/4 or x = -31/4

6 0
2 years ago
Read 2 more answers
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