C-12-Q045mediumsingle_mcq
In the substitution method the first step is to —
In the substitution method the first step is to —
- aadd both equations
- bexpress one variable in terms of the other from one equation
- cequate the coefficients
- ddraw the graph
ব্যাখ্যা
The substitution method begins by isolating one variable—writing it in terms of the other from one of the equations—before that expression can be inserted into the second equation. This is the essential first step.