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Nezavi [6.7K]
4 years ago
11

How do you isolate x in 1/2x+1/5y=9

Mathematics
2 answers:
Cloud [144]4 years ago
8 0
You would subtract 1/5y, and multiply both sides by 2 (1/2's reciprocal)
jasenka [17]4 years ago
5 0
Subtract 1/2x from each side
1/5y=9-1/2x
subtract 9 from each side
1/5y-9=-1/2x
multiply each side by 2
2/5y-18=-x
multiply each side by -1
-2/5y+18=x
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Solve the inequality 2x-7>3
Licemer1 [7]

Answer:

x>5

Step-by-step explanation:

2x - 7 > 3

Add 7 to both sides

2x - 7 +7 > 3+7

2x > 10

Divide both sides by 2

2x/2 > 10/2

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I hope this was helpful, please mark as brainliest

4 0
4 years ago
Read 2 more answers
Will mark brainliest, I'm having some trouble (question in attachment)
Liono4ka [1.6K]

Answer: 45b^4/32

Step-by-step explanation: First multiply the two fractions

15b^3y(3b)/8y x 4

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45b^3yb/8y x 4

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45(b^1b^3)y/8y x 4

Use power rule to combine exponents

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Simplify

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Cancel common factor of y

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4 0
3 years ago
Oil is often measured in barrels one barrel can hold the 42 gallons of oil how many gallons of oil can 7 barrels hold
svetoff [14.1K]
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7 0
3 years ago
Alex has three less than four times as many baseball cards as his brother jon. If they have 407 baseball cards. how many does ea
natta225 [31]

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I need help solving 11 3/4 minus 8 2/10
melomori [17]

Answer:

The answer is 3 11/20

Step-by-step explanation:

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hope this helps! :D


4 0
3 years ago
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