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Popular >

simplify (d-9)-(3d-1)

Solution

simplify

(d - 9) - (3 d - 1)

Solution

- 2 d - 8

Solution steps

(d - 9) - (3 d - 1)

Apply rule:

(a) = a

(d - 9) = d - 9

= d - 9 - (3 d - 1)

Apply the distributive law:

- (a - b) = - a + b

- (3 d - 1) = - 3 d + 1

= d - 9 - 3 d + 1

Group like terms

= d - 3 d - 9 + 1

Add similar elements:

d - 3 d = - 2 d

= - 2 d - 9 + 1

Add the numbers:

- 9 + 1 = - 8

= - 2 d - 8

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Frequently Asked Questions (FAQ)

What is (d-9)-(3d-1) ?
The solution to (d-9)-(3d-1) is -2d-8