Question

уравнение 1,3(x-0,7)-0,12(x+10)=3

Answer 1

1..3(x-0.7)-0.12(x+10)=3
1.3x-0.91-0.12-1.2=3
1.3x-0.12x=0.91+1.2+3
1.18x=5.11
x=5.11/1.18
x=4.3