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05.07.2019 •
Mathematics
How do you solve ? 2(x−(3+2x)+9)=3x−8
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Ответ:
Hey there!!
Given equation :
... 2 ( x - ( 3 + 2x ) + 9 ) = 3x - 8
Using the distributive property.
... 2 ( x - 3 - 2x + 9 ) = 3x - 8
... 2 ( -x + 6 ) = 3x - 8
Using the distributive property.
... -2x + 12 = 3x - 8
Subtracting 12 on both sides.
... -2x = 3x - 8 - 12
... -2x = 3x - 20
Subtracting 3x on both sides.
... -2x - 3x = -20
... -5x = -20
Dividing by -5 on both sides.
... x = -20 / -5
... x = 4
Hence, the answer is 4.
Hope my answer helps!
Ответ:
The tip left was $9.00
Step-by-step explanation:
You move the invisible decimal in 60 two places to make it .60
Next you multiply .15 by .60
the product is .09
Then you move the decimal point in .09 two places and get 9