ex 6
a)52+x=146-94
52+x=52
x=52-52
x=0
b)2x+35=121
2x=121-35
2x=86
x=86:2
x=43
c)4,75x=248+2,75x /-2,75x
2x=248
x=248:2
x=124
ex 7
a)
=371+92-(127-24)=
=463-103=
=360
b)
=1250000-(3251725-2627645)=
=1250000-624080=
=625920
c)240+x+135=452 /-135
240+x=317 /-240
x=77
sper ca te.am ajutat