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lozanna [386]
3 years ago
7

How to solve this for x

Mathematics
1 answer:
timama [110]3 years ago
5 0

the answer is x= 10.

the steps would go like this.

4 + 3/5 × (15 + 2x) = 25

4 + 9 + 6/5x = 25

13 + 6/5x = 25

65 + 6x = 125

6x = 125 -65

6x = 60

x = 10

hope this helps



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Vlad [161]

Answer:

840

Step-by-step explanation:

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=210 − (−630)

=840

Hope this helps!

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There will be only 6  cubes with only one side painted red.

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According to the question

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7 0
1 year ago
What is the fraction in simplest form 20/35
spayn [35]
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4 0
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An easier question all wrong or unhelpful or no-work answers will be reported.
ipn [44]
Elimination: 

3x - 9y = 3
6x - 3y = -24

3x - 9y = 3
18x - 9y = -72
(subtract)
-15x = 75
÷ -15
x = -5

(3 × -5) - 9y = 3
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+ 15
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÷ -9
y = -2

Substitution:

6x - 3y = -24
+ 3y
6x = -24 + 3y

÷ 6
x = 4 + 0.5y

3(4 + 0.5y) - 9y = 3
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x = 4 + (0.5 × 1.2)
x = 4 + 0.6
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So this one didn't fail as much, but I got different numbers. If you have to give in values, I'd give in the values from the elimination because I don't trust myself when it comes to the substitution
4 0
3 years ago
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