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4 votes
X -
1
2
(8 - x) = x + 3(4 - x) - x

User VladutZzZ
by
6.7k points

2 Answers

3 votes
x−12(8−x)=x+3(4−x)x

x+(−12)(8)+(−12)(−x)=x+(3)(4)+(3)(−x)+x

x+−96+12x=x+12+3x+x

(x+12x)+(−96)=(x+3x+−x)+(12)

13x+−96=3x+12

13x−96=3x+12

13x−96+3x=3x+12+3x

16x
−96
=12

16x−96+96=12+96

16x
=108

16x/16=108/16

x=27/4

Answer is x=27/4
User Dunadar
by
8.6k points
5 votes
8-x=x+3(4-x)-x
8-x=x+12-3x-x
8-x=x+12-4x
8-x=-3x+12
-x=-3x+4
2x=4
x=2
User Lars Westergren
by
8.9k points

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