What is simplify-(2x+y)-2(-x-y) ?

The solution to simplify-(2x+y)-2(-x-y) is y

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simplify-(2x+y)-2(-x-y)

simplify

- (2 x + y) - 2 (- x - y)

y

Solution steps

- (2 x + y) - 2 (- x - y)

Apply the distributive law:

- (a + b) = - a - b

- (2 x + y) = - 2 x - y

= - 2 x - y - 2 (- x - y)

Expand

- 2 (- x - y) : 2 x + 2 y

= - 2 x - y + 2 x + 2 y

Group like terms

= - 2 x + 2 x - y + 2 y

Add similar elements:

- 2 x + 2 x = 0

= - y + 2 y

Add similar elements:

- y + 2 y = y

= y

20 - 5 x + 9 x - 6

(x + 3)^{2} (3 x^{2} - 5 x - 10)

\frac{x}{4} + \frac{x}{2}

\frac{1}{5} \div 7

(- 3 + 2 i)^{3}