Step-by-step explanation:
The objective here is to understand functions and manipulating them.
We know that f(x)=3 j(x)=-x+5 g(x)=x-5 and h(x)=2(2x+3). We subsitue those values in for the expression.
[tex]3 - ( - x + 5) + x - 5 = 2(2x - 3)[/tex]
[tex]3 + x - 5 + x - 5 = 2(2x - 3)[/tex]
[tex]2x - 7 = 2(2x - 3)[/tex]
[tex]2x -7= 4x - 6[/tex]
[tex]2x -1 = 4x[/tex]
[tex]-1 = 2x[/tex]
[tex]x =-0.5
