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2 years ago

Find the difference (2x+7)-6(5x-8)

Mathematics

2 answers:

Greeley [361]2 years ago

5 0

Answer:

-28x+55

Step-by-step explanation:

step 1. Substitute the -6 into the 5x-8.

(2x+7)-6(5x-8)

2x+7-30x+48

step 2. Combine like terms.

2x+7-30x+48

-28x+55

Now, these are the simple steps you can follow.

sveticcg [70]2 years ago

4 0

Answer:

-28x-41

Step-by-step explanation:

6*5x-6*8

30x-48

2x+7-30x-48 = 2x-30x+7-48 = -28x+7-48 = -28x+(-41)= -28x-41

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4 years ago

What is the solution set for 2x+5y>-1 and 4x-3<-3?

bekas [8.4K]

PROBLEM ONE

•

Solving for x in 2x + 5y > -1.

•

Step 1 ) Subtract 5y from both sides.

2x + 5y > -1

2x + 5y - 5y > -1 - 5y

2x > -1 - 5y

Step 2 ) Divide both sides by 2.

2x > -1 - 5y

$\displaystyle\frac{2x}{2} > \displaystyle\frac{-1 - 5y}{2}$

$\displaystyle\ x > \frac{-1 - 5y}{2}$

So, the solution for x in 2x + 5y > -1 is...

$\displaystyle\ x > \frac{-1 - 5y}{2}$

•

Solving for y in 2x + 5y > -1.

•

Step 1 ) Subtract 2x from both sides.

2x + 5y > -1

2x - 2x + 5y > -1 - 2x

5y > -1 - 1x

Step 2 ) Divide both sides by 5.

5y > -1 - 1x

$\displaystyle\frac{5x}{5} > \frac{-1 -1x}{5}$

$\displaystyle\ x > \frac{-1 -1x}{5}$

So, the solution for y in 2x + 5y > -1 is...

$\displaystyle\ x > \frac{-1 -1x}{5}$

•

PROBLEM TWO

•

Solving for x in 4x - 3 < -3.

•

Step 1 ) Subtract 3 from both sides.

4x - 3 < -3

4x -3 - 3 < -3 - 3

4x < 0

Step 2 ) Divide both sides by x.

4x < 0

$\displaystyle\frac{4x}{4}$

x < 0

So, the solution for x in 4x - 3 < -3 is...

x < 0

•

- Marlon Nunez

7 0

3 years ago

HELP Give the slope ofleach line. Also, state if the lines are parallel (yes or no).

SpyIntel [72]

Answer:

The lines are parallel, and their slope is 1/3.

Step-by-step explanation:

Slope = Rise/Run

Rise tells us the distance between the two points on the y-axis and the run tells us the distance between the two points on the x-axis.

For Line 1, the rise is one unit and the run is three units. Therefore, the slope is 1/3.

For Line 2, the rise is one unit and the run is three units. Therefore, the slope is also 1/3.

Hope this helps!

5 0

3 years ago

Anyone ?? I’m confused

Ad libitum [116K]

+2+(-3)+(-1)+4(-5)+(-3) ok so first 2 is positive and 3 is negative there both different signs so u subtract +2+(-3)=-1+(-1)=0+4=4+(-5)=-1+(-3)=-4 your answer is 4

4 0

3 years ago