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MAVERICK [17]
3 years ago
13

PLEASE HELP ASAP 100 POINTS AND BRAINIEST please solve 7y + 13 -4z when =5 and z =9.

Mathematics
2 answers:
Molodets [167]3 years ago
8 0

Answer:

35+13-36

Step-by-step explanation:

35+13=48

48-36=12

Svetach [21]3 years ago
4 0

the answer is:

=12

if you need the step by step explanation let me know :)

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4x² - 16 is the algebraic expression that must be added to get the result as 9x²- 2x - 5.

<u>Step-by-step explanation:</u>

The question is asked for the algebraic expression must be added to the sum of 3x²+4x+8 and 2x2−6x+3 to give 9x²- 2x - 5 as the result.

Therefore,

The first step is to find of sum of 3x²+4x+8 and 2x²-6x+3.

To find the sum :

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<u>2x²-6x+3 </u>

<u>5x²-2x+11</u>

The sum is 5x²-2x+11.

Now, the second step is to subtract 5x²-2x+11 from the result 9x²- 2x - 5.

  9x²- 2x - 5

- <u>(5x²-2x+11)</u>

  <u> 4x²    -16 </u>

Thus, 4x²-16 is the algebraic expression that must be added with 5x²-2x+11 to get a result of 9x²- 2x - 5.

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Mitchell use one fourth of a carton of 12 eggs to make an omelette how many eggs did she use
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</span>
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