Simplify:6b + 7b - 10

(a)  

What is the simplified form of this expression

3x+4+5x+3

(a)  

Simplify:

5x - 6x - 8x + 7

(a)  

3 - 2a + 3a + 5a

(a)  

Simplify 5(2 - 7n) =

(a)  

4(x+3) - 5

(a)  

3(5 + 3x) - 4x

(a)  

6(7 + x) + 5x

(a)