Question

.. 0.6a + 0.2a = 0.4a + 8​

Answer 1

Answer:

a=20

Step-by-step explanation:

0.6a+0.2a=0.4a+8

0.8a=0.4+8

0.8a-0.4a=8

0.4a=8

$a = \frac{8}{0.4 }$

a=20

Answer 2

Answer:

0.6a+0.2a=0.4a+8

0.8a-0.4a=8

0.4a=8

a=8*10/4(by reciprocal)

a=20