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Korolek [52]
3 years ago
14

How do I solve this problem?

Mathematics
1 answer:
7nadin3 [17]3 years ago
5 0
(f+g)(x)=6x-4
(f-g)(x)=-2x+6
(f*g)(x)=6x^2-6x-5
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6 0
3 years ago
5x-(5x+3=-1/3(12x+21)​
katrin2010 [14]

Answer: x = -1

Step-by-step explanation:

i assume you mean

5x-(5x+3) = -1/3(12x+21)​

lets start with the left

-(5x+3) can be turnd into -5x-3

now it is

5x-5x-3 and that can be just -3

now lets go to the right and get rid of the 1/3

we see the 3 at the bottom of 1/3, and (12x+21)​ can be factored with 3

so 1/3 x 3(4x+7) is what we get

1/3 x 3 cancels out so we are left with

-3 = (-4x-7)

lets try to get -4x by itself

if you move -4x to the left, turning it into 4x, and move -3 to the right, turning it into 3, you get 4x = -7 +3

-7 +3 = -4

4x = -4

devide by 4

4x/4 = -4/4

x = -1

8 0
3 years ago
Simplifying expressions 6k-7-19+k
JulijaS [17]

Answer:

6k-7-19+k

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8 0
3 years ago
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8 0
3 years ago
4b+14=22<br> solve the equation
nadya68 [22]

Answer:

B is 2.

Step-by-step explanation:

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3 years ago
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