jdevince
jdevince
16-10-2016
Mathematics
contestada
solve 0.7(5x+15)=2.9-(x+3)
Respuesta :
sjoyd
sjoyd
16-10-2016
0.7(5x+15)=2.9 -(x+3)
3.5x+10.5=2.9-x-3
3.5x+10.5= -0.1- x
4.5x= -10.6
x= -2.3555...
Check:
0.7(5(-2.3555...) +15) = 2.9 -(x+3)
2.2555... = 2.2555...
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