(2x - x + 7) = (x + 3 + 4)
x + 7 = x + 7
X = Any real number,
X = R
Answer:
x=30
Step-by-step explanation:
c = 7
The sum means to add c and 9, that is
c + 9 = 16 ( subtract 9 from both sides )
c = 16 - 9 = 7
The answer is in the picture
