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soldier1979 [14.2K]
1 year ago
13

-8y-(4x-3)-y+9x distribute and combine

Mathematics
1 answer:
NNADVOKAT [17]1 year ago
7 0

Answer:

-9y + 5x + 3

Step-by-step explanation:

-8y - (4x - 3) - y + 9x:

Group like terms = -(4x - 3) -8y - y + 9x

Add similar Elements - 8y - y + 9x = - (4x - 3) - 9y + 9x

Apply the distributive law: - (a - b) = -a + b = - (4x -3) = -4x + 3

= 4x + 3 - 9y + 9x

Group like terms = -9y - 4x + 9x + 3

Add similar Elements -4x + 9x = 5x

= -9y + 5x + 3

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marishachu [46]
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4 0
3 years ago
What is the slope of the line passing through<br> points (6, -1) and (1,8)?
Fynjy0 [20]

Answer:

-1.8

Step-by-step explanation:

m= y2 - y2over x2 - x1

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7 0
2 years ago
Can someone help me with this
insens350 [35]
Let's solve this problem step-by-step.

STEP-BY-STEP EXPLANATION:

We will be using simultaneous equations to solve this problem.

The sum of angles on a straight line is 180°.

( R ) and ( 2x + 5 ) are both on the same straight line.

Therefore:

Equation No. 1 -

R + 2x + 5 = 180

R = 180 - 2x - 5

R = 175 - 2x

Vertically opposite angles are equivalent to each other.

( R ) is vertically opposite ( 3x + 15 ).

Therefore:

Equation No. 2 -

R = 3x + 15

Substitute the value of ( R ) from the first equation into the second equation to solve for ( x )

R = 3x + 15

175 - 2x = 3x + 15

- 2x - 3x = 15 - 175

- 5x = - 160

x = - 160 / - 5

x = 160 / 5

x = 32

Next we will substitute the value of ( x ) from the second equation into the first equation to solve for ( R ).

Equation No. 2 -

R = 175 - 2x

R = 175 - 2 ( 32 )

R = 175 - 64

R = 111

FINAL ANSWER:

Therefore, the answer is:

R = 111

x = 32

Hope this helps! :)
Have a lovely day! <3
7 0
3 years ago
A square has a diagonal of length 12. Find the length of each side.
White raven [17]

Answer:

3

Step-by-step explanation:

12÷4=3

Hope this will help you!

7 0
2 years ago
Standard form four hundred and five hundredths
galben [10]
400.05 is the answer.
8 0
3 years ago
Read 2 more answers
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