Describe the effects of the relative positions and motions of the earth, moon, and sun (e. g., use models or simulations to show solar and lunar eclipses, phases of the moon, tides please tell me in 7 or 8 sentences please!

To solve this system of equations by elimination, what operation could be used to eliminate the y-variable and find the value of x? 6x + 5y = 2 4x + 2y = 8 a) subtract 2 times the second equation from 3 times the first equation b) subtract 3 times the second equation from 2 times the first equation c) subtract 5 times the second equation from 2 times the first equation d) subtract 2 times the second equation from 5 times the first equation