Not sure if I wrote it right so here's a screenshot too What is the solution of 5/2x - 7 = + 14 ?
A. x = -6

B. x = 6

C. x = 8

D. x = 12

Subtract 3/4 x from both sides.

Combine 5/2 x and -3/4 x to get 7/4 x.

Add 14 and 7 to get 21.

Multiply both sides by 4/7, the reciprocal of 7/4.

Express 21 × (4/7) as a single fraction.

Multiply 21 and 4 to get 84.

Divide 84 by 7 to get 12.

step-by-step explanation:

asnwer is (g o h o f)(x) = 2x - 6/x + 7

step-by-step explanation:

given,

f(x) = x - 3/x

g(x) = x + 3

h(x) = 2x + 1

we need to find : (g o h o f)(x)

we can write (g o h o f)(x) = g[ h{ f(x) } ]

so first we find h{f(x)}

h{f(x)} = f(x) + 3 = (x - 3/x) + 3

h{f(x)} = x - 3/x + 3

now we find g[ h{ f(x) } ].

g[ h{ f(x) } ] = g(x - 3/x + 3)       {plug h{f(x)} = x - 3/x + 3 in g[h{f(x)}] }

g(x - 3/x + 3) = 2 (x - 3/x + 3) + 1

                    = 2x - 6/x + 6 + 1

                    = 2x - 6/x + 7

hence we get (g o h o f)(x) = 2x - 6/x + 7