To eliminate the terms and solve for y in the fewest steps, by which constants should the equations be multiplied by before adding the equations together? First equation: 9x + 3y = -18
Second equation: 8x + 7y = 10 A. The first equation should be multiplied by 3 and the second equation by 7.
B. The first equation should be multiplied by -3 and the second equation by -7.
C. The first equation should be multiplied by - 7 and the second equation by 3 .
D. The first equation should be multiplied by -7 and the second equation by -3.

Examine the paragraph proof. which theorem does it offer proof for? prove jnm – nmi according to the given information in the image. jk | hi while jnm and lnk are vertical angles. jnm and lnk are congruent by the vertical angles theorem. because lnk and nmi are corresponding angles, they are congruent according to the corresponding angles theorem. finally, jnm is congruent to nmi by the transitive property of equality alternate interior angles theorem gorresponding angle theorem vertical angle theorem o same side interior angles theorem