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3 years ago

Why isnt 5x+6 and 6x+5 equal

Mathematics

1 answer:

ahrayia [7]3 years ago

8 0

Answer:

Because you would be multiplying x by the number attached to it. If x is 9 for example it would be 5*9+6=51 and 6*9+5=59

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What is 12/20 and 10/50 and 8/10 as a equivalent fraction out of 100 pls help

wariber [46]

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3 years ago

Hurry a lot of Points!

yulyashka [42]

Answer:

17/20

Step-by-step explanation:

not even that much points but ok lol

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4 years ago

Read 2 more answers

Solve the system of linear equations. 3x−2y=1 9x−6y=3

irakobra [83]

Get the y by itself

-2y= -3x + 1

Divide -2 to everything

y= 3/2x - 1/2

Other equation (get y by itself)

-6y= -9x + 3
y=3/2x - 1/2

Use substitution

3/2x-1/2=3/2-1/2

0=0

All real numbers (any value of x makes the equation true)

8 0

3 years ago

Hello I need help with number 10 and number 9

zimovet [89]

Answer:

-x - 3

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

What are the expressions?

Romashka [77]

<h2>Explanation:</h2>

Here we need to solve some expressions. Remember the following rules:

$(+)(+)=+ \\ \\ (-)(-)=+ \\ \\ (+)(-)=- \\ \\ (-)(+)=-$

Then, from the left side:

$5-2\cdot 7=5-14=\boxed{-9} \\ \\ 5-2\cdot 4=5-8=\boxed{-3} \\ \\ 5-2\cdot 0=5-0=\boxed{5} \\ \\ 5-2\cdot -3=5+6=\boxed{11} \\ \\ 5-2\cdot 10=5-20=\boxed{-15} \\ \\ 5-2\cdot -8=5+16=\boxed{21} \\ \\$

from the right side:

$-(-4)+3=4+3=\boxed{7} \\ \\ -(6)+3=-6+3=\boxed{-3} \\ \\ -(-8)+3=8+3=\boxed{11} \\ \\ -(-5)+3=5+3=\boxed{8} \\ \\ -(2)+3=-2+3=\boxed{1} \\ \\ -(15)+3=-15+3=\boxed{-12} \\ \\ -(-6)+3=6+3=\boxed{9}$

4 0

3 years ago