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tamaranim1 [39]
2 years ago
9

Multi step problems what is -10(10+b)=5(3b+5)

Mathematics
1 answer:
Alla [95]2 years ago
5 0

Answer:

b= -5

Step-by-step explanation:

-10(10+b)=5(3b+5)

Distribute

-100 -10b = 15b +25

Add 10b to each side

-100-10b+10b = 15b+10b +25

-100 = 25b+25

Subtract 25 from each side

-100-25 = 25b+25-25

-125 = 25b

Divide by 25

-125/25 =25b/25

-5 =b

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Find the x intercept of the line 2x-3y=-19
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Answer:

See below.

Step-by-step explanation:

Recall that the x-intercept is basically: (x,0).

In other words, we just need to substitute y with 0 in order to find the x-intercept.

Thus, we will have:

2x-3(0)=-19

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x=-19/2

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2 years ago
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Mai and Tyler work on the equation 2/5b+1=-11 together. Mais soulution is b=-25 and Tyler’s is b=-28. Here is their work. Do you
Anika [276]

Answer:

No I don't agree with their solution; both their answers are wrong.

Correct answer is b=-30.

Step-by-step explanation:

Given:

\frac{2}{5}b+1=-11

Now given:

According to Mai b = -25 and According to Tyler b = -28

Now we need to find which of them is correct.

So we will solve the given equation we get;

\frac{2}{5}b+1=-11

Subtracting both side by 1 we get;

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3 0
3 years ago
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