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Marizza181 [45]
3 years ago
15

−4x−7+10x=−7+6x how many solutions

Mathematics
1 answer:
qwelly [4]3 years ago
3 0

Step-by-step explanation:

-4x-7+10x=-7+6x\\\\(-4x+10x)-7=-7+6x\\\\6x-7=-7+6x\qquad\text{subtract}\ 6x\ \text{from both sides}\\\\-7=-7\qquad\bold{TRUE}\\\\Answer:\ \text{Infinitely many solutions}

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Work out the percentage change when a price of £10 is increased to £12.
Anastaziya [24]

Answer:

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Step-by-step explanation:

Use the percent change formula: difference = % * original cost

12 - 10 = 2

The difference is 2 and the original cost is 10. Now, we have the equation

2 = % * 10. We don’t know the percentage right? So now we have to find the percentage. To do this, you will have to do 2 divided by 10, which is 0.20. Lastly, we have to turn 0.20 into a percentage by multiplying it by 100, leaving you with 20%. So therefore, 20% is the percent increase. Hope this helps!

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2 years ago
16x − 7 ≤ −71<br><br> find x
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The correct answer would be,

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5 0
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