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zavuch27 [327]
3 years ago
13

Solve the following multi-step equation [write the numbers only] Will mark as brainliest if you answer this question

Mathematics
2 answers:
lapo4ka [179]3 years ago
8 0

Answer:

14

Step-by-step explanation:

5x-7=3x+21

2x=28

x=14

cluponka [151]3 years ago
8 0

Answer:

14

Step-by-step explanation:

Subtracting 3x and adding 7 to both sides we get 2x = 28. Dividing the equation by 2 gets us x = 14.

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Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Consider the following equation
ser-zykov [4K]

Answer:

The perpendicular line is:

y = 1/3  x + 2/3

Step-by-step explanation:

The given equation can be reduced to its slope-intercept form as shown below:

3x + 9y = 8y - 2

subtract 8 y from both sides

3 x + y = -2

subtract 3 x from both sides

y = - 3 x -2

therefore we know that the slope of this line is -3, and then, a perpendicular line to it must have slope given by the "opposite of the reciprocal" of this slope. That is, the slope of any perpendicular line to this one must be: 1/3

We use this slope to find the equation of the line passing through the point (13. 5)

y = 1/3 x + b

passing through (13, 5) means:

5 = 1/3 (13) + b

therefore, we can find b from the above equation

b = 5 - 13/3 = 15/3 - 13/3 = 2/3

Then the equation of this perpendicular line is:

y = 1/3  x + 2/3

6 0
2 years ago
The Shirt shop sold 15 tshirts. Of the
Sidana [21]

Answer:

12

Step-by-step explanation:

1/5 of 15 is 3. 3 shirts are grey. 15-3 is 12. 12 t shirt are white.

8 0
3 years ago
Mr. Parker has 982 pounds of grain. He feeds 240 pounds ro his pigs and 460 to his cows. How much grain does he have left
denpristay [2]

Starting amount: 982 pounds of grain

Since Mr. Parker fed 240 pounds of grain to his pigs, subtract 240 pounds from 982 pounds of grain.

982 - 240 = 742

After feeding pigs: 742 pounds of grain

Mr. Parker fed another 460 pounds of grain to his cows from his 742 pounds, so subtract 460 pounds from 742 pounds.

742 - 460 = 282

After feeding pigs and cows: 282 pounds of grain

Mr. Parker has 282 pounds of grain left.

3 0
3 years ago
. What is the minimum number of rows of bricks
vova2212 [387]

Answer: 22 rows

Step-by-step explanation: Divide 48 by 2.25 and round up.

Hope this helps, have a good day

3 0
3 years ago
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