MARIAMARIAMARIA
MARIAMARIAMARIA
28-09-2017
Mathematics
contestada
what are the answers??
Respuesta :
AnimeBrainly
AnimeBrainly
28-09-2017
2x + 5x + 4 = 25
7x + 4 = 25
7x +4 (-4) = 25 (-4)
7x = 21
7x/7 = 21/7
x = 3
26 = 3b - 2 - 7b
26 = 4b - 2
26 + 2 = 4b - 2 (+2)
28/4 = 4b/4
b = 7
5m/8 - 6/8 +3m/8 = 2/8
8m/8 = 8/8
m = 1
hope this helps
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