Given the function f(x) = 2x + 61 - 4, for what values of x is f(x) = 6?

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove

Someone me! will award brainliest if u explain and answer!

The lengths of the two sides of a right triangle are 5 inches and 8 inches what is the difference the possible lengths of the third side of the triangle