1. 18x - (8x-7) = 67
2. 8 (-2x - 4) + 12 = -52
either one.

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

The measure of an angle is 117°. what is the measure of a supplementary angle?

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that