Question

simplify : 3x - 5- x +9 if x = 3​

Answer 1

Given:-

x = 3

To find:-

The value of 3x - 5 - x + 9

Solution:-

Substituting x = 3 in 3x - 5 - x + 9 will imply,

→ 3(3) - 5 - (3) + 9

→ 9 - 5 - 3 + 9

→ 9 - 5 + 6

→ 9 + 1

→ 10

Hence, 10 is the right answer.

Answer 2

3x-5-x+9

=x(3-1)+(-5+9)

=x(2)+4

=2x+4

putting x=3

=2(3)+4

=6+4

=10

here is ur answer........