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Svetlanka [38]
3 years ago
12

7=3-x/2 what is the steps to solve this problem

Mathematics
2 answers:
DENIUS [597]3 years ago
5 0

Answer:

x = -8

Step-by-step explanation:

1st step: switch sides, 3 - x/2 =7

2nd step: subtract 3 from both sides, 1-x/2-3 = 7-3

3rd step: simplify, -x/2 = 4

4th step: multiply both sides by 2, 2(-x/2) = 4*2

5th step: simplify, -x = 8

6th step: divide both sides by -1, -x/-1 = 8/-1

7th step: simplify, x= -8

Bond [772]3 years ago
3 0

Answer:

Step-by-step explanation:

multiply each side by 2

subtract 3 from each side

multiply each side by -1

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Monkey Chunks cereal is normally 3.25 per bow but today its on sale for 25% off. What is the new price? Round to the nearest pen
WINSTONCH [101]
3.25 x 25% = .81

 3.25- .81 = $2.44

$2.44 is the sale price
4 0
3 years ago
A city known for its temperature extremes started the day at -5 degrees Fahrenheit. The temperature increased by 78 degrees Fahr
charle [14.2K]

Answer:

Kindly check explanation

Step-by-step explanation:

Given the following :

Starting temperature = - 5°F

Temperature at midday =increase in temperature by 78°F = (starting temperature + 78°F)

Temperature at nightfall = decrease in temperature by 32°F = ( temperature at midday - 32°F)

Temperature at midday:

(-5°F + 78°F) = 73°F

Temperature at nightfall:

(Temperature at midday - 32°F)

(73°F - 32°F) = 41°F

7 0
3 years ago
Solve i + j + t (3i - j) = -i + s (j)<br> In the context of Vector Equations of a Line
Oksana_A [137]

Answer:

r = i + j + (-2/3)(3i - j)

Step-by-step explanation:

Vector Equation of a line - r = a + kb ; where r is the resultant vector of adding vector a and vector b and k is a constant

if a = i + j ; b = t(3i - j) and r = -i +s(j)

for this to be true all the vector components must be equal

summing i 's

i + 3ti  = -i; then t = -2/3

j - tj = sj; then s = 1-t; substitue t; s=1+2/3 = 5/3

so r = i + j + (-2/3)(3i - j) which will symplify to -i + 5/3j

3 0
3 years ago
Find the difference of 8xand twice the sum of x and 7.
Anna11 [10]

Answer -

8x - (sum of x and 7)

= 8x - (x + 7)

= 8x - x - 7

= 7x - 7

= 7(x - 1)

3 0
3 years ago
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mariarad [96]

Answer:

What would you like help with?

Step-by-step explanation:

6 0
3 years ago
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