Linear System
Source:
January 14, 2009
Problem Statement
The equations 2x \plus{} 7 \equal{} 3 and bx\minus{}10 \equal{} \minus{}\!2 have the same solution for . What is the value of ?
(A)\minus{}\!8 \qquad
(B)\minus{}\!4 \qquad
(C)\minus{}\!2 \qquad
(D)\ 4 \qquad
(E)\ 8