What is x-[3a+2(-x+1)] ?

The solution to x-[3a+2(-x+1)] is 3x-3a-2

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simplify x-[3a+2(-x+1)]

simplify

x - [3 a + 2 (- x + 1)]

3 x - 3 a - 2

Solution steps

x - (3 a + 2 (- x + 1))

Apply the distributive law:

- (a + b) = - a - b

- (3 a + 2 (- x + 1)) = - 3 a - 2 (- x + 1)

= x - 3 a - 2 (- x + 1)

Expand

- 2 (- x + 1) : 2 x - 2

= x - 3 a + 2 x - 2

Group like terms

= x + 2 x - 3 a - 2

Add similar elements:

x + 2 x = 3 x

= 3 x - 3 a - 2

(\frac{36}{49})^{- \frac{1}{2}}

(8 - 4 b)^{3}

- 3.5 (- 4.25)

400 + 39 - 9^{2} - 94

8 \frac{1}{6}