Sample quiz on substitution method Main home here.
If a linear system $2x-3y=11,~3x+5y=-12$ is first re-written as $10x-15y=55,~9x+15y=-36$, which method of solution is the solver
most likely trying to use?
If, in a linear system $x+2y=7,~3x+5y=18$ one first writes $x=7-2y$, followed by $3(7-2y)+5y=18$, then one is trying to use $\cdots$
Given $2x-y=7,~x=3+2y$, the correct substitution to make is $\cdots$?
Given $x+y=7,~3x+4y=17$, which of the following is true?
Given $x+2y=9,~3x-7y=14$, which of the following results from the substitution method?
Solve by substitution: $2x-y=7,~x=3+2y$
Given $3x-y=7,~5x+4y=6$, isolate $y$ from the first equation, then substitute into the second equation