What is (3b+c-d)+(2b+3c-4d) ?

The solution to (3b+c-d)+(2b+3c-4d) is 5b+4c-5d

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simplify (3b+c-d)+(2b+3c-4d)

simplify

(3 b + c - d) + (2 b + 3 c - 4 d)

5 b + 4 c - 5 d

Solution steps

(3 b + c - d) + (2 b + 3 c - 4 d)

Simplify

(3 b + c - d) + (2 b + 3 c - 4 d) : 3 b + c - d + 2 b + 3 c - 4 d

= 3 b + c - d + 2 b + 3 c - 4 d

Group like terms

= 3 b + 2 b + c + 3 c - d - 4 d

Add similar elements:

3 b + 2 b = 5 b

= 5 b + c + 3 c - d - 4 d

Add similar elements:

c + 3 c = 4 c

= 5 b + 4 c - d - 4 d

Add similar elements:

- d - 4 d = - 5 d

= 5 b + 4 c - 5 d

\frac{x - 9}{x ^{2} - 81}

\frac{44 !}{2 !}

1 8^{5}

975

(2 - \frac{1}{5})^{2}