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kompoz [17]
3 years ago
15

3(1-3x)=2(-4x+7) solve

Mathematics
2 answers:
Rudiy273 years ago
8 0

Simplify the left side.

Tap for more steps...

3−9x=2(−4x+7)

Simplify the right side.

Tap for more steps...

3−9x=−8x+14

Move all terms containing x

to the left side of the equation.

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3−x=14

Move all terms not containing x

to the right side of the equation.

Tap for more steps...

−x=11

Multiply each term in x=−11

by −1

Tap for more steps...

x=−11

Hope this helps!

ivann1987 [24]3 years ago
6 0

First you use the distributive property. So, 3 times 1 and 3 times -xx = 2 times -4x and 2 times 7. This becomes 3-9x = -8x+14.  Subtract 3 from both sides and add 8x to both sides and you get -x=11, so x=-11

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N = x + y - n = 5<br> and part two<br> x = u + v = o<br><br> whats the answer?
Colt1911 [192]
Just substitute the value of x from second equation into first equation:
N = x + y - n = 5
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Hope this helps!
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3 years ago
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D

Step-by-step explanation:

Either try all the numbers and see which ones work or do the following.

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