Tag: substitution method

Solve the system by the substitution method. x + y = -2 y = – 3x   Solution:-   x + y = -2……(1) y = – 3x …..(2) Put…

Solve the system by the substitution method.   2x+14y=-2………….(1) X=-1-7y…………..(2)     Solution:-   From equation 1 take  2 common 2(x-7y)=-2 x-7y=-1……………………(3) x+7y=-1……………………(2) add both equation 2x=-2 X=-1 Put this…