Question

Simplify the following expression as far as possible. 1. 9x - 2x .2. -3y - 30y . .3. 2a - 9a

Answer 1

1.

9 x - 2 x = 7 x


2.

- 3 y - 30 y = - 33 y


3.

2 a - 9 a = - 7 a

Answer 2

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