Question

simplify expressions and find values if x=3, a = -1, b= -2 (i) 3x-5-x+9 = ?​

Answer 1

I hope this answer helpful to you

Answer 2

3x - 5 - x +9 (if x = 3)

solution :-

3(3) - 5 - 3 + 9

9 - 5 - 3 + 9 (-3+9=3-9=6)

9 - 5 - 6

9 - 11 (-5-6=5+6=11)

=>-2