Question

tìm x biết:

x:1/2+x.4-x=12,5

Answer 1

x*2+x.4=12.5

x*6=12.5

x=12.5/6

x=6.25

Answer 2

\(x:\frac{1}{2}+x.4-x=12,5\Rightarrow x.2+x.4-x=12,5\Rightarrow x.\left(2+4-1\right)=12,5\Rightarrow x.5=12,5\Rightarrow x=12,5:5=2,5\)