Question

please solve this
don't irrelevant answer please​

Answer 1

Answer:

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Step-by-step explanation:

1) x/3+2.1=7.9

=>x/3=7.9-2.1

=>x/3=5.8

=>x=5.8*3

So,x=16.4

2) z/3-2.3=-4

=>z/3=-4+2/3

=>z/3=(-12+2)/3

=>z/3=-10/3

So z=-10

3)(y/-2.4)-3=-4

=>y/-2.4=-4+3

=>y/-2.4=-1

=>y=-1*-2.4

=>y=2.4