How does Sedimentary Rock form?

Given f(x) = 3x= 1 and g(x) = 2x-3, for which value of x does g(x)= f(2)? its for algebra

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

Where is the only active diamond mine in the u.s.?