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lezeira
lezeira lezeira
  • 18-12-2013
  • Mathematics
Answered

4a + 3 - 9 = -7 + 2 + a

Verified Answer :

vivindalka
vivindalka vivindalka
  • 18-12-2013

4a + 3 - 9 = -7 + 2 + a
4a - 6 = -5 + a
4a - a = -5 + 6
3a = 1 / : 3
a = 1/3

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tomek1172
tomek1172 tomek1172
  • 20-12-2013

\(4a + 3 - 9 = -7 + 2 + a\\ 4a-6=-5+a\\ 4a-a=-5+6\\ 3a=1\ /:3\\ a=\frac13\)

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