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GarryVolchara [31]
3 years ago
9

How do I cross multiply if the variable is on the right fractions top?

Mathematics
1 answer:
Phoenix [80]3 years ago
4 0
You just continue the problem.

Example:
8x = 84
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3z-4=6z-17 how do solve
Maru [420]
3z-4=6z-17
-3z-4=-17 (subtracted the 6z from both sides)
-3z=-13 (added the 4 to both sides)
z=\frac{-13}{-3z} (divided both sides by -3z)
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5 0
4 years ago
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Simplify the expression:<br><br> 5(1 + 8d)
Rina8888 [55]

Answer:

5 + 40 d

Step-by-step explanation:

Hey there,

To simply this you have to multiply each term in the brackets by 5.

5(1+8d)

5+40d

<u>Further explanation</u>

5 ( 1 + 8 d )

5 × 1 + 5 × 8 d

5 +40 d

Hope this helps you.

Let me know if you have any other question :-)

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snow_lady [41]
The answer should be 0.25 I think.
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Jay is paid $12.50 per hour. Last week, his paycheck totaled $112.50. How many hours did he work? Write and solve an equation to
olga2289 [7]

Answer:

9 hours

Step-by-step explanation:

If he earns 12.50 an hour...

112.50 ÷ 12.50 = 9 hours

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kakasveta [241]

Answer: x=0

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