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lozanna [386]
4 years ago
5

Does 5x=9+2x have one solution

Mathematics
1 answer:
amid [387]4 years ago
5 0

Answer:

Yes, x=3

Step-by-step explanation:

Step 1. Subtract 2x from each side

5x=2x+9

-2x -2x

Step 2. Divide both sides by 3

3x/3=9/3

x = 3

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3(x+2) = 2(x+5)? What does it equal?
sasho [114]

Answer:

x=4

Step-by-step explanation:

3(x+2) = 2(x+5)

Distribute

3x+6 = 2x+10

Subtract 2x from each side

3x-2x+6 = 2x-2x+10

x +6 = 10

Subtract 6 from each side

x+6-6 = 10-6

x = 4

3 0
3 years ago
Read 2 more answers
I really need help on all of them, I will give out brainliest to one answer and ten points to both
tangare [24]

Answer:

1. 1/2, 2. 2, 3. 1/-3, 4. -2

Step-by-step explanation:

1) I know that the equation for slope is y2-y1/x2-x1. For number one I first found two points of the graph which is (0,3) and (2,4) (not sure if I see it correctly, its kind of blurry). I decided that (0,3) would be my y1 and x1 and (2,4) will be my y2 and x2. I later plugged the number in the equation and got 4-3/2-0 which the answer turns out to be 1/2.

2) For the rest of the questions it is kinda the same business as question 1. For question two I chose two points out of the table which wrer (-1, -12) and (1,-8) and plugged them into the equation and got -8-(-12)/1-(-1) which the answer turns out to be 2.

3) similar to question 2. The two points(2,-6) and (-4,-3) are given to you. so I plugged them in again and got -3-(-6)/-4-2 which the answer turns out to be 3/-6 into 1/-3.

4) Same with question 1 find two points of the graph. I chose (0,3) and (1,1) (again might not be accurate it's kind of blurry) I plugged them into the equation again and got 1-3/1-0 which equals -2.

Just always remember y2-y1/x2-x1=m is the equation for slope.

(m is the variable for slope)

Hoped this helped you : )

3 0
3 years ago
Eli is making guacamole.he uses 2 tablespoons of cilantro for every 3 avocados.at this rate, how many tablespoons of cilantro wi
Nataly_w [17]
2 tablespoons for 3 avocados so 9 avocados you need 6 tablespoons for 9 avocados
5 0
4 years ago
Evaluate | - 26) if b = 8.
Anna11 [10]

Answer:

i don't see a b in the equation

Step-by-step explanation:

6 0
3 years ago
Please help and explain thanks
RoseWind [281]

Answer: Woops I meant 2 cannot be repeated because x-values cannot be the same. So it is C.

A function CAN have the same y-values such as (3,4) and (6,4). But a function CANNOT have the same x-values like (7,10) and (7,1) because it would be a straight line.

5 0
4 years ago
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