SikeItsDabBoi
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  • 02-09-2016
  • Mathematics
contestada

2.4z + 1.2z -6.5 = 0.7
Solve for z

Respuesta :

crisforp
crisforp crisforp
  • 02-09-2016
2.4z + 1.2z = (2.4 + 1.2)z = 3.6z;
We have 3.6z - 6.5 =0.7   / +6.5;
3.6z = 7.2   / ×10;
36z = 72   / ÷36;
z = 2.
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