3(2m+12) -4m = 20 -3(3m+5)
Step 1. Distribute 3 to (2m+12) and -3 to (3m+5)
Distribution property:
When you are distributing, you multiply the outside number by the numbers inside. For example,
-1(4-2)
-1 times 4, -1 times -2
-4, 2 (negative times negative =positive)
Then you would get
-4+2. You do not distribute with multiplication and division. So then we would do this with our numbers.
6m+36 -4m = 20 -9m-15
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Step 2. Simplify by adding like terms.
Like terms:
Terms are separated by operation symbols (+,-,*,➗). Like terms are terms with the same variable next to it. 5a and 6a are like terms. Terms with no variables at all are also like terms. 5 and 6 are like terms. 8a and 7 are not like terms. 9a and 9b are not like terms.
6m+-4m= 2m. 20+(-15)=5
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2m+36=5-9m
Step 3. Add 9m to both sides
11m+36=5
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Step 4. Subtract 36 from both sides
11m=-31
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Step 5. Divide by 11
m=-31/11
If you can please provide brainliest. I took 30 minutes doing this.
The amount she has in hand, she can make 4 loaves of bread and 2 batches of muffins.
Hope this will help a lot!
Answer:
Multiplication.
Step-by-step explanation:
Given:

Also 
Solution:
It has been given that value of x is 5.
So if we substitute the value of x in given equation the we get;

Now by PEDMAS, The first operation perform will be the terms in parenthesis and in that too the first will be multiplication.
so we get;

Now again Solving the terms in parenthesis we get;

Now the next operation will be addition then we get;

And finally performing subtraction we get;

Hence The first operation performed in given equation is multiplication.
Answer:
Step-by-step explanation:
The motorist drove at a distance of 90km at a constant speed for the first 40km, and then 20 km/hr faster for the rest of the journey.
The whole journey took him 1hr.
Let S denotes the average speed (in km/hr) for the first 40 km.
Hence we get the following relation,
40/S + (90 - 40)/(S + 20) = 1
or 50/(S + 20) = 1 - 40/S = (S - 40)/S
or (S + 20)(S - 40) = 50S or S^2 - 70S - 800 = 0 or (S - 80)(S + 10) = 0
or S = 80 (km/hr) [Ans]
[S cannot be negative value]
Max needs to run 15 laps around the track.
Step-by-step explanation:
Given,
Distance Max wants to run = 512 miles
Length around the track = 34 mile
34 miles = 1 lap
1 mile = 
512 miles = 
512 miles = 15.06 laps
Rounding off to nearest whole number;
512 miles = 15 laps
Max needs to run 15 laps around the track.
Keywords: unit rate, division
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