What is the answer to 3a-6a+2=8a+20-5a ?

The answer to 3a-6a+2=8a+20-5a is a=-3

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3a-6a+2=8a+20-5a

3 a - 6 a + 2 = 8 a + 20 - 5 a

a = - 3

Solution steps

3 a - 6 a + 2 = 8 a + 20 - 5 a

Add similar elements:

3 a - 6 a = - 3 a

- 3 a + 2 = 8 a + 20 - 5 a

Group like terms

- 3 a + 2 = 8 a - 5 a + 20

Add similar elements:

8 a - 5 a = 3 a

- 3 a + 2 = 3 a + 20

Move

2

to the right side

- 3 a = 3 a + 18

Move

3 a

to the left side

- 6 a = 18

Divide both sides by

- 6

a = - 3

18 x - 18 = 72 + 18

- \frac{5}{6} x - \frac{1}{9} x = - 102

5 x + 8 = 43

12 + \frac{3}{5} a = 30

x + 2 [4 - 2 (x + 1) - 3 (x + 3)] - 4 = x + 2