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trapecia [35]
3 years ago
12

1)4(x– 12) + 19 = -89 2)7+5(x-2)=12 3)-4x-2(2x+10)=-116 4)2(x+9)-4=68

Mathematics
1 answer:
Contact [7]3 years ago
7 0

Answer:

1. -24

Step-by-step explanation:

4x - 12+19= - 89

4x= - 89-19+12

4x=-96

X= -24

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−9x (5x+4 ) +10 (x+3) can someone please solve his for me thank u step by step please i really need to find out how to do it
Ivahew [28]

Answer:

-45x^{2}-26x+30

Step-by-step explanation:

So first you let's divide this equation into three parts.

Part one -9x(5x+4)

  1. Step one: you have to distribute the -9x to the numbers in the parentheses. That would leave us with a -9x*5x = -45x^{2} and -9x*4 = -36x
  2. Step two: Put the answers together. That would leave us with -45x^{2}-36x.

Part two 10(x+3)

  1. Step one: you have to distribute the 10 to the numbers in the parentheses. That would leave us with a 10*x = 10x and 10*3 = 30
  2. Step two: Put the answers together. That would leave us with 10x+30

Part three solve

  1. Step one: combine and put together what you have solved for. That would leave us with a -45x^{2}-36x+ 10x+30
  2. Step two: combine like terms. The like terms here are -36x and 10x. When you combine them you would get -26x.
  3. Step three: Write the equation in standard form. Therefore the answer is -45x^{2}-26x+30.

Let me know if anything is confusing!

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2 years ago
Please dont put any files or links. answer each equation please.
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Answer:

23 thousandths. <em><u>=</u></em><em><u> </u></em> 23 ÷ 10^3

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Answer:

4

Step-by-step explanation:

25/100 x 80/1 = 20/1

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FrozenT [24]

Answer:

c

Step-by-step explanation:

the answer is c

alernate angles are angles that take the shape of z

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