Question

7. Simplify these expressions and find their values if x=3, a=-1,b=-2.
(i) 3x - 5 - x + 9
​

Answer 1

Answer:

=3×3-5-3+9

ACCORDING TO BODMAS RULE

=9-5-3+9

=9-5-12

=9-17

=-8.

HOPE THIS MATCH

THANK YOU

Answer 2

$\huge\underline\mathbb\red{Question}:-$

3x - 5 - x + 9

Step-by-step explanation:

$\huge\underline\mathbb\orange{Answer}:-$

>Given :- x = 3

Now Replacing the x by its value as 3

✓ 3(3)-5-3+9

✓ 9-5-3+9

✓4-3+9

✓1+9

Answer = 10