Question 1170294
{{{system(d+g=35,2d+4g=106)}}}


{{{system(d+g=35,d+2g=53)}}}


question is, find d.
{{{system(2d+2g=70,d+2g=53)}}}

E1-E2:
{{{d=70-53}}}

{{{highlight_green(d=17)}}}