7 ( 2- z ) + 5 ( z + 3 ) / 1 - 4 z = 3/5 Please verify also – InterviewSolution

1.

7 ( 2- z ) + 5 ( z + 3 ) / 1 - 4 z = 3/5 Please verify also

Answer»

=7(2-z)+5(z+3)/1-4z=3/5

=14-7z+5z+15/1-4z=3/5

=-7z+5z+15+14/1-4z=3/5

=-2z+29/1-4z=3/5

=3(1-4z)=5(-2z+29)

=3-12z=-10z+145

=-12z+10z=145-3

=-2z=142

=z=-142/2

=z=-71 ANS

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