Practice problem
Solve equation (A) and plug the result into expression (B). x=300y+17z−11w(A)a(B)\begin{array}{lc} x=300y+17z-11w&\quad\small{(A)}\\ a&\quad\small{(B)} \end{array}x=300y+17z−11wa(A)(B)
300y+17z−11w300y+17z-11w300y+17z−11w
306yzw306yzw306yzw
306306306
None of the above.
Type a concept, like “slope” or “photosynthesis”.