Question

4x+4делить 5+7x+7делить3=47

Answer 1

4х+4:5+7х+7:3=47
4х+0,8+7х+7/3=47
4х+4/5+7х+7/3=47
11х+47/15=47
11x=47-47/15
11x=658/15
x=658/165 или х=3 163/165