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5a - 6 + 3a and the a=2

Sagot :

[tex]5a-6+3a=8a-6\\\\ 8\cdot2+6=16-6=10[/tex]
5a - 6 + 3a
= 5(2) - 6 + 3(2)
= 10 - 6 + 6
= 10