What is 3a+6b-4-8b+2a-9 ?

The solution to 3a+6b-4-8b+2a-9 is 5a-2b-13

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simplify 3a+6b-4-8b+2a-9

simplify

3 a + 6 b - 4 - 8 b + 2 a - 9

5 a - 2 b - 13

Solution steps

3 a + 6 b - 4 - 8 b + 2 a - 9

Group like terms

= 3 a + 2 a + 6 b - 8 b - 4 - 9

Add similar elements:

3 a + 2 a = 5 a

= 5 a + 6 b - 8 b - 4 - 9

Add similar elements:

6 b - 8 b = - 2 b

= 5 a - 2 b - 4 - 9

Subtract the numbers:

- 4 - 9 = - 13

= 5 a - 2 b - 13

2^{0.1}

(9 - \frac{1}{2} x^{2})^{2}

\frac{a ^{3}}{a ^{- 2}}

\frac{6 55}{2 5 - 11}