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Popular >

simplify (3-x)-(x-1)

Solution

simplify

(3 - x) - (x - 1)

Solution

- 2 x + 4

Solution steps

(3 - x) - (x - 1)

Apply rule:

(a) = a

(3 - x) = 3 - x

= 3 - x - (x - 1)

Apply the distributive law:

- (a - b) = - a + b

- (x - 1) = - x + 1

= 3 - x - x + 1

Group like terms

= - x - x + 3 + 1

Add similar elements:

- x - x = - 2 x

= - 2 x + 3 + 1

Add the numbers:

3 + 1 = 4

= - 2 x + 4

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Frequently Asked Questions (FAQ)

What is (3-x)-(x-1) ?
The solution to (3-x)-(x-1) is -2x+4