Question

In the following system of linear equations, state how to combine the two equations to obtain one equation with only one variable.
2x – 7y = 6
X + 3y = 2
a) Multiply the terms in the first equation by -3, the terms of the second equation by 7, and then add the equations.
b) Multiply the terms in the first equation by 3, the terms of the second equation by 7, and then add the equations.
c) Multiply the terms in the second equation by -2, and then add the equations.
d) Both b and c are correct.