3 years ago

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

2 answers:

rjkz [21]3 years ago

6 0

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

6 0

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

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