3 years ago

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

Mathematics

2 answers:

bija089 [108]3 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]3 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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