Given the function y = 5x – 7, how does the y-value change as x increases by 1? . a.. the y-value decreases by 7.. b.. the y-value decreases by 2.. c.. the y-value increases by 12.. d.. the y-value increases by 5.

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