Human11
Human11
29-07-2017
Mathematics
contestada
What does "a"equal to?
Respuesta :
kphung76127
kphung76127
29-07-2017
Distribute on the left side
7.4a+22.2=3.2a+43.2
Subtract 3.2a from both sides
4.2a+22.2=43.2
Subtract 22.2 from both sides
4.2a=21
Divide both sides by 4.2
a=5
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