3 years ago

Simplify the expression 3x -2y+6-6x+5y-8

Mathematics

2 answers:

qaws [65]3 years ago

5 0

You combine like terms

therefore the answer is -3x+3y-2

Ymorist [56]3 years ago

4 0

Answer:

-3x + 3y - 2

Step-by-step explanation:

Collect like terms and add/subtract

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Exponent Practice:<br> x^2/3=64

docker41 [41]

X^2/3 = 64
$x^{2} =64^{3}$
$x = 64^{3/2}$

it is easier to first find square root of 64 and than power it to 3
square root of 64 is 8 which means our equation now looks like:
x = 8^3
now the answer is after powering 8 to 3:
x = 512

6 0

3 years ago

17. Ms. Harper drove her car 115 miles on 5

eduard

Set it up as a proportion

115/5=n/15
And then you cross multiply
5•n=15•115
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3 years ago

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- 3x + 5y = -2<br> 2x - 2y = 1<br> Solve by elem inaction

Lyrx [107]

Answer:

x=1/4 , y=-1/4. You can confirm this by substituting the numbers in.

Step-by-step explanation:

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3 years ago

Pls help. i don't like math

ANTONII [103]

Answer:

X = 5 3/8 (5 and 3 eighths)

Step-by-step explanation:

4/5x = 5 1/5 - 9/10

4/5x = 43/10

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3 years ago

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Anon25 [30]

Answer:

7z + 17

Step-by-step explanation:

15 and 2 are the only alike terms.

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4 years ago