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Komok [63]
3 years ago
7

How do i solve thus equation 7+5(x-2)=12

Mathematics
2 answers:
Usimov [2.4K]3 years ago
7 0

Answer:

x = 3

Step-by-step explanation:

The goal of solving this equation is finding the value of the variable, "x". To do that, we need to get x alone on one side of the equation.

Our first step is to Combine Like Terms.

(7+5)(x-2)=12\\\\12(x-2)=12

Next, Divide 12 from both sides of the equation.

12(x-2)=12\\\\\frac{12(x-2)}{12}=\frac{12}{12}\\\\x-2=1

Finally, Add 2 to both sides of the equation.

x-2=1\\\\x-2+(2)=1+(2)\\\\x=3

So, x is equal to 3.

ycow [4]3 years ago
3 0

Answer: x=3

Step-by-step explanation:

7+5(x-2)=12

Open bracket

7+5x-10=12

Collect like terms

5x-3=12

5x=12+3

5x=15

X=15/5

X=3

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6 0
2 years ago
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f

(

x

)

=

5

x

2

−

2

x

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3

g

(

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f

(

g

(

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45

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14

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10

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3

=

80

x

4

+

280

x

3

+

45

x

2

−

8

x

2

−

350

x

−

14

x

+

125

+

10

+

3

f

(

g

(

x

)

)

=

80

x

4

+

280

x

3

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37

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2

−

364

x

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138

The answer is  

f

(

g

(

x

)

)

=

80

x

4

+

280

x

3

+

37

x

2

−

364

x

+

138

.

Step-by-step explanation:

8 0
3 years ago
What is the prime factorization of 312?
Fofino [41]
You find the prime factorization by breaking the number down into other numbers that are prime.  Start by breaking up 312 into 39 * 8.  39 breaks up into 3 * 13, and 8 breaks up into 4 * 2 which breaks up into 2 * 2.  So the prime factorization of 312 is 3 * 13 * 2 * 2 * 2 or 3*13* 2^{3}.  When you multiply those together you'll get 312.
5 0
3 years ago
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Any help. (5 marks)
anyanavicka [17]

Population of England in 2003 = 383 * 130,281 = 49,897,623

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Increase = 51,240,000 - 49,897,623 = 1,342,377

Answer is 1,300,000 to 2 significant figures.

6 0
2 years ago
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