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erastovalidia [21]
2 years ago
11

6x+4y-3z,7x-11y-9z,14x+8y-6z

Mathematics
1 answer:
Zigmanuir [339]2 years ago
8 0

Step-by-step explanation:

i donot know

sorry about this

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3 years ago
Expand and simplify 9 (x-y)^2-9(x+y)(x-y)
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5 0
2 years ago
How do you do 1/4 (16x+20)-7x
Ira Lisetskai [31]
Distribute the 1/4:
1/4(16x) + 1/4(20) - 7x

Do the multiplication:
1/4(16x) = 16x/4 = 4x
1/4 (20) = 20/4 = 5

Now you have:
4x + 5 - 7x = 0

Combine like terms (4x and -7x):
-3x + 5 = 0

Subtract 5 from both sides:
-3x = -5

Divide by -3:
x = -5/-3 = 5/3

Answer:
x= 5/3
6 0
3 years ago
Mary is 2 times older than Bob and Bob is 5 years older than Sally. Sally is 10 years old how old is Bob
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Answer:

Bob is 15 years old.

Step-by-step explanation:

If Sally is 10 years old and Bob is five years older than Sally then we just need to add 10+5=15.

Hope this helps!!

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3 years ago
This polygon has an area of 72 square centimeters what is the height of the parallelogram​
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