kddxr
kddxr
22-09-2020
Mathematics
contestada
14
0.75(8b+4)−1=4b+140
Respuesta :
hippo0
hippo0
22-09-2020
Answer: b=6
Step-by-step explanation:
Answer Link
kricket326
kricket326
22-09-2020
0.75(8b+4)-1=4b+140
6b+3-1=4b+140
6b+2=4b+140
6b+2-2=4b+140-2
6b=4b+138
6b-4b=4b-4b+138
2b=138
2b/2=138/2
B=69
Answer Link
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