alicia4287 alicia4287

13-09-2018
Mathematics

contestada

how do i solve 2z+9.75-7z= -5.15

Respuesta :

rasaunanddelvon rasaunanddelvon

13-09-2018

2z + 9.75 -7z = -5.15

2z - 7z + 9.75 = -5.15

-5z + 9.75 = -5.15

-5z + 9.75 - 9.75 = -5.15 - 9.75

-5z = -14.9

-5z/-5 = -14.9/-5

z = 2.98

I hope this helps

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