Answer:
12
Step-by-step explanation:
Everything is multiplied by 4
Answer: 4xy and 3xy are, 2s and 5s are, but -10 and -10b aren't.
Step-by-step explanation: 4xy and 2xy have the same terms. 2s and 5s have the same terms but -10a and -10b have different variables.
The equation is like this 5×3 + 4×6 = 39
X = 3
Brainly would be awesome ❤️
Answer is D, use a straightedge to draw arces which intersect at a point