Sagot :
[tex]12a-14a=8\ \ \ \ |Subtract\ similar\ factors\\\\
-2a=8\ \ \ |Divide\ by\ -2\\\\
a=-4\\\\Solution\ is\ a=-4.[/tex]
-12a - 14a = -2a
so then it would be -2a = 8
then divide. 8 / -2 = -4
a=-4
so then it would be -2a = 8
then divide. 8 / -2 = -4
a=-4