I've been doing substitution in math and i have so far had no problem with it. until i came across this question and had no idea how to solve it :
p. s a = 2, b = 3 and c = 7

the question is c = a + b + x
i got a bit of it done but right now i'm just really confused on how to do it, so if someone could show me i'd be so ! : d

What is best way to getting answer for my exam is

In parallelogram abcd the ratio of ab to bcis 5: 3. if the perimeter of abcd is 32 find ab

Afunction, f(x), represents the height of a plant x months after being planted. students measure and record the height on a monthly basis. select the appropriate domain for this situation. a. the set of all positive real numbers b. the set of all integers oc. the set of all positive integers od. the set of all real numbers reset next