Alexalv23
Alexalv23
16-08-2021
Mathematics
contestada
22) solve for x
A) 7
B) -9
C) -10
D) 10
Respuesta :
tony8360
tony8360
17-08-2021
B
Step-by-step explanation:
AM on total = 1/2
so (x+19)/(x+29)=1/2
2x +38 =x + 29
x=-9
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