Math, asked by darjiabhishek456, 4 months ago

If (0.4z-3)÷(1.5z+9) = -7/5. Find the value of z.

Answers

Answered by zyl1a

1

Answer:

(0.4z-3)÷(1.5z+9) = -7/5

5(0.4z-3) = -7(1.5z+9)

2z-15 = -10.5z -63

2z+10.5z = -63+15

12.5z = -48

z= -48/12.5

z=-3.84

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