2 years ago

Solve.

Mathematics

2 answers:

miss Akunina [59]2 years ago

5 0

$4(a+2) = 8 +4a\\
4a+8=8+4a\\
0=0\\ a\in\mathbb{R}\Rightarrow A$

stira [4]2 years ago

4 0

the answer is -2

4(a+2) = 8 +4a

4a+8=8+4a

4*-2=-8

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