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Mars2501 [29]
2 years ago
10

Explain to another student how to solve the equation.

Mathematics
1 answer:
AveGali [126]2 years ago
5 0

Answer:

Solve for X ( The question I did was an example )

Step-by-step explanation:

To solve and equation like 2x+9=30 you will have to isolate the number with a variable. You need to subtract 9 on both sides for that to happen.

2x=21

Now the next step is to divide. You have to divide to get the answer.

x=21/2

x= 10.5

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What are the X- and y- intercepts of the line? 2x + 3y = -12
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Subtract 2x from both sides. 

3y = - 2x - 12

Divide every term by 3 to get the y-variable by itself.

y = - 2/3x - 4

Since the equation is not in slope-intercept form (y = mx + b), your y-intercept is just the number in the b slot. Y-intercept is - 4 or (0, - 4).

Now to find your x-intercept, plug in 0 where the y-variable is and solve for x.

0 = - 2/3x - 4
4 = - 2/3x 

Multiply both sides by - 3/2 to isolate the variable. 

4(- 3/2) = x
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- 6 = x.

Your x-intercept is - 6 or (- 6, 0). 
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3 years ago
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Answer:

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10h+7=32 would be the best equation. Hope this helps!
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a rental car company charges drivers a flat fee to rent a car plus $0.25 for each mile they drive. If a drivers pays $100 drives
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