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maxonik [38]
3 years ago
8

PLEASE HELP ALGEBRA 1

Mathematics
1 answer:
sukhopar [10]3 years ago
7 0
I’m pretty sure it’s B
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Please answer soon! I will mark brainiest!
Andreas93 [3]

Answer:

13

Step-by-step explanation:

3x+4=2x+7

-2x =-2x

x+4 = 7

- 4 = -4

x = 3

AB=3x+4

AB=3(3)+4

AB=13

5 0
3 years ago
Find xif f(x) = 2x + 7 and f(x) = -1.
Natali [406]

Answer: -4

Step-by-step explanation:

Solve 2x+7=-1

2x. =-8

x. =-4

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3 years ago
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Sindrei [870]
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4 years ago
What is the value of y when x = 6? -3x + 9y = 18
CaHeK987 [17]

Hey there! I'm happy to help!

Let's plug in our x value.

-3(6)+9y=18

-18+9y=18

We add 18 to both sides.

9y=36

We divide both sides by 9.

y=4

Have a wonderful day! :D

5 0
4 years ago
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connor bought 40 pencils for 0.35 each. Mara bought 70 pencils at the same price. how much more money did Mara spend?
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