Solve the following.
7(x + 6) + 7x = 9

x = -2 5/14

Step-by-step explanation:

7(x + 6) + 7x = 9

First, open the parenthesis.

7x + 42 + 7x = 9

Combine like terms.

7x + 7x + 42 = 9

14x + 42 = 9

Subtract 9.

14x = -33

Divide.

x = -33/14

Simplify.

x = -2 5/14

Hope this helps!

+25 = x

step-by-step explanation:

here x is the hypotenuse of a right triangle whose legs are 7 and 24.   by the pythagorean theorem, 7² + 24² must equal x²:

x² = 49 + 576 = 625.   thus, x = +√625 = +25 = x

problem:

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

f(5/2) = 10/3

i hope this !