sandracruz1973
sandracruz1973
10-09-2015
Mathematics
contestada
0.4(2 - q) = 0.2(q + 7)
Respuesta :
Ameliamarie13
Ameliamarie13
10-09-2015
0.4(2-q)= 0.2(q-7)
2(2-q)=1(q-7) (multiplied both sides by 5)
4-2q=q-7 (distributed)
4=3q-7 (added 2q to both sides)
11=3q (added 7 to both sides)
q=11/3 or 3.667
(divided both sides by 3)
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