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il63 [147K]
2 years ago
15

Whats the answer to 3y+-4=9y-8

Mathematics
2 answers:
bija089 [108]2 years ago
8 0
 3y+-4=9y-8
-3y      -3y
¯¯¯¯¯¯¯¯¯¯
       -4=6y-8
      +8      +8
¯¯¯¯¯¯¯¯¯¯¯
         4=6y
       ¯¯¯¯¯¯
         6    6


y=2/3
y=0.667
yuradex [85]2 years ago
3 0
3y-3y+-4=9y-3y-8
-4=6y-8
-4+8=6y-8+8
4=6y
y=4/6
y=2/3 (66.6%)

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