3 years ago

Expand 7x+14-2(x+4)

Mathematics

2 answers:

My name is Ann [436]3 years ago

6 0

Step-by-step explanation:

7x + 14 - 2 ( x+ 4)

7x + 14 - 2x + 8

7x - 2x + 14+8

5x+22 answer

Ber [7]3 years ago

5 0

Answer:

7x+14-2x-8 simplify and get 5x+6

Step-by-step explanation:

Distributive Property

-2(x+4)

-2x-8

Add together and combine like terms.

7x+14-2x-8

5x+6

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3 years ago

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3 years ago

Read 2 more answers

Point M is the midpoint of AB. The coordinates of point A are (-7, 1) and the coordinates of M are (-4,1). What are the coordina

I am Lyosha [343]

Answer:

The coordinates of point B are : (-1, 1)

Step-by-step explanation:

$\frac{-7+x^{2} }{2} = -4\\\frac{1+y^{2} }{2} =1$ You multiply -4 by 2 which gives you -8 then you multiply 1 by 2 which gives 2.

Then you create the equations $-7 + x^{2} = -8\\1 + y^{2} = 2$ you substitute -7 for +7 and add 7 to -8 which gives -1 ( $x^{2}$ ) and subtract 1 from 2 which gives you 1 ( $y^{2}$ )

To check your answer use the midpoint formula $\frac{-7+-1}{2} =\frac{-8}{2} =-4\\\frac{1+1}{2} =\frac{2}{2} =1$ which gives you your midpoint (-4,1)

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3 years ago