Math, asked by mahakal9760, 1 year ago

if ( 0.4z - 3 ) = -7/5. find the value of z( 1.5z + 9 )

Answers

Answered by subodhKant

12

0.4z-3=-7/5
0.4z=-7/5+3
0.4z=8/5
z=4
4 (1.5×4+9)
4 (6+9)
4 (15)
60

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