If you were to solve the following system by substitution, what would be the best variable to solve for and from what equation?
3x+6y=9
2x-10y=13

a)x in first equation
b)x in second equation

Question

If you were to solve the following system by substitution, what would be the best variable to solve for and from what equation?
3x+6y=9
2x-10y=13

a)x in first equation
b)x in second equation  << i think its this just making sure
c)y in first equation
d)y in second equation

anonymous · Answer

its better to use option (a) because you can simplify by 3 all terms in equation and get an easier expression to substitute in second equation

abb0t · Answer

Next time, post this question in the $\sf \color{red}{Mathematics}$ section. Cheers.