coco12356
coco12356
27-02-2019
Mathematics
contestada
Let f(x)=2x-3 if f(x)=15 find x
Respuesta :
Аноним
Аноним
27-02-2019
Do it backwards:
2x-3=15
Add 3.
2x=18
18/2=9
x=9
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