Question

(22x4+32x3-(3x23+3x12+m=100

Answer 1

(22•4+32•3)-(3•23+3•12+m)=100
(88+96)-(69+36+m)=100
184-(105+m)=100
-105-m=100-184
-105-m=-84
-m=-84/(-105)simplificam prin 21
-m=4/5
-m•(-1)=4/5•(1)
m=-4/5.