What is (9x+3y)-(3x-4y) ?

The solution to (9x+3y)-(3x-4y) is 6x+7y

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simplify (9x+3y)-(3x-4y)

simplify

(9 x + 3 y) - (3 x - 4 y)

6 x + 7 y

Solution steps

(9 x + 3 y) - (3 x - 4 y)

Apply rule:

(a) = a

(9 x + 3 y) = 9 x + 3 y

= 9 x + 3 y - (3 x - 4 y)

Apply the distributive law:

- (a - b) = - a + b

- (3 x - 4 y) = - 3 x + 4 y

= 9 x + 3 y - 3 x + 4 y

Group like terms

= 9 x - 3 x + 3 y + 4 y

Add similar elements:

9 x - 3 x = 6 x

= 6 x + 3 y + 4 y

Add similar elements:

3 y + 4 y = 7 y

= 6 x + 7 y

i^{999}

\frac{y ^{5}}{x ^{- 7} x ^{3} y ^{- 3}}

\frac{1}{2} \times x

- (8 k + 0.4 m - 9.5)

24 \times 8