Question

Tìm x

255-5.(x+3)=102

Answer 1

1:

x:3+48.2=700

x:3+96   =700

x;3         =700-96

x;3         =604

x            =604.3

x            =1812

     

Answer 2

255 - 5(x + 3) = 102

5(x + 3) = 255 - 102

5(x + 3) = 153

x + 3 = 153/5

x = 153/5 - 3

x = 3/5

Answer 3

\(255-5.\left(x+3\right)=102\)

\(5.\left(x+3\right)=255-102\)

\(5.\left(x+3\right)=153\)

\(x+3=\frac{153}{5}\)

\(x=\frac{153}{5}-3\)

\(x=\frac{138}{5}=27,6\)

Answer 4

255-5.(x+3)=102

       5.(x+3)=255-102

       5.(x+3)=153

          (x+3)=153:5

          (x+3)=3,06

                x=3,06-3

                x=0,06

Answer 5

5 x (x + 3)= 255 -102

5 x (x +3)=153 

5 x X=153-3

5  x X=150

X=150:5

X=30