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kobusy [5.1K]
3 years ago
15

What is the answer to r/10+4=5

Mathematics
2 answers:
-Dominant- [34]3 years ago
8 0
Here you gooooooooooo.

Oxana [17]3 years ago
4 0

Answer:

r=10

Step-by-step explanation:

Take 4 away from 5 to isolate your variable. Now you have r/10= 1. figure out the unknown value by placing ten on top which is the same as 1.

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22. Solve 7x - 9 = 28+ 4(x - 1).<br> X=-3<br> X=3<br> x = 11<br> X=-11​
aleksley [76]

Answer:

c) x = 11

Step-by-step explanation:

Given equation: 7x - 9 = 28 + 4(x - 1)

<u><em>Steps:</em></u>

1. Distribute 4 through the parentheses:

7x - 9 = 28 + 4(x) + 4(-1)

7x - 9 = 28 + 4x - 4 [simplify]

7x - 9 = 24 + 4x

2. Subtract 4x from both sides:

7x - 4x - 9 = 24 + 4x - 4x

3x - 9 = 24

3. Add 9 to both sides:

3x - 9 + 9 = 24 + 9

3x = 33

4. Divide both sides by 3:

3x ÷ 3 = 33 ÷ 3

x = 11

5. Check your work:

7x - 9 = 28 + 4(x - 1) [substitute 11 for x]

7(11) - 9 = 28 + 4(11 - 1) [simplify]

77 - 9 = 28 + 4(10) [simplify]

68 = 28 + 40 [add]

68 = 68 ✔

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2 years ago
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aksik [14]
I think it’s Positive 5
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A car travels at an average speed of 52 miles per hour. How many miles does it travel in 4 hours and 15 minutes?
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Answer:

A) [First try is correct for all U1 to U4]

Step-by-step explanation:

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3 0
3 years ago
The sum of 8 times a number and 3 equals 5
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8n+3=5
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