Question

solve3z+4/2-6z=-2/5​

Answer 1

3z+4/2-6z=-2/5

3z-6z+4/2=-2/5

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

minus minus will cancel

3z+4/2=2/5

3z+2=2/5

(3z+2)5=2

15z+10=2

15z=2-10

15z=-8

z=-8/15

Answer 2

Answer:

z = -0.53

Step-by-step explanation:

$3z - \frac{4}{2} - 6z = \frac{ - 2}{5} \\ = > - 3z - 2 = \frac{ - 2}{5} \\ = > 3z = - 2 + \frac{2}{5} \\ = > 3z = \frac{ - 8}{5} \\ = > z = \frac{ - 8}{15} \\ = > z = - 0.53$

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