Question

2 + 2x {2x[2+2· (2-2:a)]}=22​

Answer 1

2x{2x[2+2•(2-2:a)]}=22-2=20
2•[2+2•(2-2:a)]=20:2=10
2+2•(2-2:a)=10:2=5
2•(2-2:a)=5-2=3
2-2:a=3•2=6
2:a=6+2=8
a=8:2
a=4
Sper ca te-am ajutat!