Study. also, i would leave the answer there, but it says i need 20 words to answer so thats why i included this extra bit, but yeah just study.
Answer:

Step-by-step explanation:

Isolate x for -2-5x=-16:





Isolate y for -3y+14=26:



The answer is D
Steps
Take the root of both sides and solve
3 1/3, 7-3 2/3=3 1/3, use absolute value
Answer:
f(x) + g(x) = (-2x + 8)+ 3x
f(x) + g(x) = -2x + 8 + 3x Combine like terms.
f(x) + g(x) = x + 8
f(x) + g(x) = (f+g)(x) = x + 8
(f + g)(-1) = -1 + 8
(f + g)(-1) = 7
Step-by-step explanation: