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3 years ago

Solve each equation 2x + 2+x= -22

Mathematics

2 answers:

mina [271]3 years ago

4 0

Answer:

x = - 8

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

2x + 2 + x = - 22

(2x + x) + (2) = - 22

3x + 2 = - 22

3x + 2 = - 22

Step 2: Subtract 2 from both sides.

3x + 2 - 2 = - 22 - 2

3x = - 24

Step 3: Divide both sides by 3.

(3x/3) = (- 24/3)

x = - 8

vodomira [7]3 years ago

3 0

Answer:

-8

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

2x+2+x=−22

(2x+x)+(2)=−22(Combine Like Terms)

3x+2=−22

Step 2: Subtract 2 from both sides.

3x+2−2=−22−2

3x=−24

Step 3: Divide both sides by 3.

−24

x=−8

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3 years ago

2x - 3y > -12. Rewrite the inequality so that y is isolated

kifflom [539]

Answer:

y < 2/3x + 4

Step-by-step explanation:

Hi there! So first, we need to subtract 2x from both sides:

-3y > -2x - 12

Now, we need to divide both sides by -3 to isolate y. Since we are dividing by a negative value, our inequality symbol will be flipped from > to <.

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3 years ago

The average amount that a college student spends on a textbook is $205. What is the probability that a students spends between $

garri49 [273]

Complete question :

The average amount that a college student spends on a textbook is $205 with a

standard deviation of $35. What is the probability that a student spends:

A. between $10 and $310?

Answer:

0.999

Step-by-step explanation:

Mean, m = 205 ; Standard deviation, s = 35

Z = (x - m) / s

x = 310

Z = (310 - 205) / 35 = 3

P(z < 3) = 0.99865

x = 10

Z = (10 - 205) / 35 = - 5.57

P(Z < - 5.5)

P(z < 3) - P(z < - 5.5)

0.99865 - 0

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5 0

3 years ago

Solve each equation 2x + 2+x= -22​

Solve each equation 2x + 2+x= -22