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zhenek [66]
3 years ago
12

Solve for x and identify the type of solution 9x=8+5x

Mathematics
2 answers:
Phoenix [80]3 years ago
5 0

Answer:

2

Step-by-step explanation:

9x=8+5x

9x-5x=8

4x=8

x=8/4

x=2

Rama09 [41]3 years ago
4 0
9x-5x=8
4x=8
x=8/4
x=2

x has a unique solution
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If EF = x + 5, DC = 2x + 4, and AB = 2x + 2. Find EF.<br><br>​
bonufazy [111]

Answer:

B *second one down.

Step-by-step explanation:

EF = 1/2(AB + CD)

x+5 = 1/2 (2x + 2 + 2x+4)   Combine the like terms on the right.

x+5 = 1/2 (4x + 6)                Remove the brackets.

x+5 = 1/2*4x + 1/2*6

x+5 = 2x + 3                       Subtract x from both sides

5 = 2x-x + 3

5 = x + 3                            Subtract 3 from both sides

5-3 = x

x = 2

EF = x + 5

EF = 2 + 5

EF = 7

The answer is B

3 0
2 years ago
Help with math homework pls!
Svetach [21]

the correct answer is a^6


5 0
3 years ago
Evaluate 5 + 3x for (a) x= -2 and (b)x= 3. Write your answers in simplest form.
Alisiya [41]

Answer:

i really do not know the answer

5 0
2 years ago
Read 2 more answers
Help for 10 points!!
dem82 [27]

The plus sign means that we have to sum all the terms inside of the second parenthesis, while the minus sign means that we have to change all the signs inside the last parenthesis:

(3x+5)+(2x-9)-(4x+3)=3x+5+2x-9-4x-3

Now we only have to gather all like terms:

3x+2x-4x+5-9-3 = (3+2-4)x+(5-9-3)=x-7

8 0
3 years ago
Which is the value of the rational expression 6-x/x+5 when x=2
Allisa [31]

Answer:

4/7

Step-by-step explanation:

6-x/x+5 let us take x=2

6-2/2+5=4/7

8 0
3 years ago
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