What is (9x+18)-(-7x+28) ?

The solution to (9x+18)-(-7x+28) is 16x-10

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simplify (9x+18)-(-7x+28)

simplify

(9 x + 18) - (- 7 x + 28)

16 x - 10

Solution steps

(9 x + 18) - (- 7 x + 28)

Apply rule:

(a) = a

(9 x + 18) = 9 x + 18

= 9 x + 18 - (- 7 x + 28)

Apply the distributive law:

- (- a + b) = a - b

- (- 7 x + 28) = 7 x - 28

= 9 x + 18 + 7 x - 28

Group like terms

= 9 x + 7 x + 18 - 28

Add similar elements:

9 x + 7 x = 16 x

= 16 x + 18 - 28

Subtract the numbers:

18 - 28 = - 10

= 16 x - 10

\frac{3}{2} - \frac{1}{5}

(7 x^{2} + 2 x + 4) (2 x + 5)

5 x + 6 x

x^{1} - x^{2}

\frac{4}{34}