1.
9 x - 2 x = 7 x
2.
- 3 y - 30 y = - 33 y
3.
2 a - 9 a = - 7 a
Simplify the following expression as far as possible. 1. 9x - 2x .2. -3y - 30y . .3. 2a - 9a
2 answers
Ywhhq
2 answers