zaini42 zaini42

02-08-2021
Mathematics

contestada

Find the value of x for which (4/5)-4 X(4/5)-7 = (4/5)2x-1

Respuesta :

ramylan00 ramylan00

02-08-2021

Answer:

0.8 -4*0.8-7=0.8*2x-1

0.8-3.2-7=1.6x-1

0.8-10.2+1=1.6x

1.8-10.2=x1.6

-8.4=x 1.6

x= -8.4 / 1.6

x= - 5.25

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