Answers

2016-04-05T16:40:51+05:30
15/4 - 7x = 9

-7x = 9 - 15/4

-7x = 21/4 

x = 21/4 
÷ -7

x = - 3/4
1 5 1
2016-04-05T17:25:40+05:30
(15/4)-7x=9
-7x =9-(15/4)
-7x =(9*4-15)/4
-7x =(36-15)/4
-7x =21/4
x=21/4/-7
x =-(21/4)7
x=-147/4.
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