Question

реши уравнения&&&&&&

Answer 1

(15+x)*4=88
60+4x=88
4x=88-60
4x=28
x=7
96:x+27=33
$x= frac{96}{33-27}$
x=16
51:(x-29)=17
x-29=51:17
x-29=3
x=29+3
x=32