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3 years ago

12

-3x+4=13 SOLVE PLZ! INEQUALITY

2 answers:

arlik [135]3 years ago

5 0

Hi!

What you'll first need to do is subtract 4 from 4 and 13. After doing so, your equation will look like this...

-3x=9

Next, you'll need to divide -3x and 9 by -3. After you've done that, you'll get...

x=-3.

So your answer would be x=-3

I hope this helps!

vazorg [7]3 years ago

4 0

-3x+4=13
-4 -4
-3x=13
-3x=9
-x=-3
x=3

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Harlamova29_29 [7]

Answer:

$\tt x=14$

Step-by-step explanation:

$\tt 6x+6=90$

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2 years ago

I honestly don't even know where to start //// on his last 4 tests , Danilo scored 55% 78% 84% and 93%. What score should he get

skelet666 [1.2K]

Answer:

The answer to your question is He must get 80%

Step-by-step explanation:

Data

Scores 55%, 78%, 84%, 93% and X

Average 80%

Process

1.- Write a equation to solve this problem

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Score 1 = S1 = 55

Score 2 = S2 = 78

Score 3 = S3 = 84

Score 4 = S4 = 93

Score 5 = S5 = X

Equation

Average = (S1 + S2 + S3 + S4 + S5) / 5

- Solve for S5

5 Average = S1 + S2 + S3 + S4 + S5

S5 = 5 Average - S1 - S2 - S3 - S4

- Substitution

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- Simplification

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Step-by-step explanation:

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