Question

Xx3,5-Xx2=30

Answer 1

Xx(3,5-2)=30

Xx1,5=30

X=30/1,5

X=20

 

Answer 2

\(x\times3,5-x\times2=30\)
\(x\times\left(3,5-2\right)=30\)
\(x\times1,5=30\)
\(x=30:1,5\)
\(x=20\)