1,2 - x + 0,6 = 0,45
1,2 - x = 0,45 - 0,6
1,2 - x = - 0,15
x = 1,2 - - 0,15 ( 1,2 - âm 0,15 )
x = 1,35
\(1,2-x+0,6=0,45\)
\(1,2-x=0,45-0,6\)
\(1,2-x=-0,15\)
\(x=1,2-\left(-0,15\right)\)
\(x=1,35\)
1.2 -x+0.6=0.45
=1.2-(x-0.6)=0.45
= x-0.6=1.2-0.45
= x -0.6 = 0.75
= x = 0.75+0.6
= x =1.35