Jawabanmu

2014-06-01T10:01:34+07:00
4a+8=-5-10
a= -23 /4
a=-5,75
thanks ya
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mungkinn ???
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2014-06-01T10:04:01+07:00
4a + 8 = -5 - 10
⇔4a + 8 = -15
⇔4a      = -15 - (-8)
⇔4a      = -15 + 8
⇔4a      =  -7
⇔     a   = -7/4
⇔     a   = -1,75