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

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Suggested Answer

4a + 3 - 9 = -7 + 2 + a4a - 6 = -5 + a4a - a = -5 + 63a = 1 / : 3a = 1/3

Suggested Answer

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