Question

simplify the expression 3 X-5+X+9 and find its valueif x=3​

Answer 1

Answer:

3x+x-5+9=4x+4

4(3)+4=12+4=16

Answer 2

Step-by-step explanation:

3x-5 + x+9 = 3(3)-5+3+9=9-5+12=4+12=16