Question 475893
*[invoke solving_linear_system_by_substitution "2/3", "-2/5", "2", "3/100", "4/100", "67/100"]


or

{{{2/3x-2/5y=2}}}


plug in the solution (9,10)

{{{(2/3)9-(2/5)10=2}}}

{{{(2/cross(3))cross(9)3-(2/cross(5))cross(10)2=2}}}

{{{2*3-2*2=2}}}

{{{6-4=2}}}

{{{2=2}}}



{{{0.03x+0.04y=0.67}}}

{{{0.03*9+0.04*10=0.67}}}

{{{0.27+0.4=0.67}}}

{{{0.67=0.67}}}