What is simplify-2+5(a-2b+1)-3(8-2a+b) ?

The solution to simplify-2+5(a-2b+1)-3(8-2a+b) is 11a-13b-21

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simplify-2+5(a-2b+1)-3(8-2a+b)

simplify

- 2 + 5 (a - 2 b + 1) - 3 (8 - 2 a + b)

11 a - 13 b - 21

Solution steps

- 2 + 5 (a - 2 b + 1) - 3 (8 - 2 a + b)

Expand

5 (a - 2 b + 1) : 5 a - 10 b + 5

= - 2 + 5 a - 10 b + 5 - 3 (8 - 2 a + b)

Expand

- 3 (8 - 2 a + b) : - 24 + 6 a - 3 b

= - 2 + 5 a - 10 b + 5 - 24 + 6 a - 3 b

Group like terms

= 5 a + 6 a - 10 b - 3 b - 2 + 5 - 24

Add similar elements:

5 a + 6 a = 11 a

= 11 a - 10 b - 3 b - 2 + 5 - 24

Add similar elements:

- 10 b - 3 b = - 13 b

= 11 a - 13 b - 2 + 5 - 24

Add the numbers:

- 2 + 5 - 24 = - 21

= 11 a - 13 b - 21

\frac{i ^{3} + 1}{i ^{9} - 2}

27 t^{3} - 1

\frac{1 + 3 i}{2 - i}

\frac{5}{9} \cdot \frac{3}{5}

2 x^{2} - 11 x y - 21 y^{2}

What is simplify-2+5(a-2b+1)-3(8-2a+b) ?
The solution to simplify-2+5(a-2b+1)-3(8-2a+b) is 11a-13b-21