dễ mà 460 + 85 * 4 = x + 175 : 5 + 30

          460 + 340    = x + 35 + 30

              800         = x + 65

           800 - 65 = x

             735     = x hay x = 735

460+85x4=(x+175):5+30

<=>460+340=x.1/5+175.1/5+30

<=>800=1/5x+35+30

<=>735=1/5.x

<=>x=3675

Chúc bạn học tốt ^_^

460 + 85 x 4 = ( x+ 175 ) : 5 + 30

= 460 + 340 = ( x + 175 ) : 5 + 30

= 800 = ( x + 175 ) : 5 + 30

= ( x + 175 ) : 5 = 800 - 30

= ( x+ 175 ) : 5 = 770

= ( x +175 )       = 770 x 5

= x + 175            = 3850

           x              = 3850 - 175

           x               =  3675

460+85x4=x+175:5+30

460 + 340 = x + 35 + 30

800 = x + 65 

x = 800 - 65

x = 735

460 + 340 = x + 35 + 30

800 = x + 65 

x = 800 - 65

x = 735

460+85x4=(x+175):5+30

<=>460+340=x.1/5+175.1/5+30

<=>800=1/5x+35+30

<=>735=1/5.x

<=>x=3675

Chúc bạn học tốt ^_^

460+85x4=x+175:5+30

460+340=x+35+30

800=x+65

800-65=x

735=x hay x = 135

460 + 85.4 = ( x + 200 ) : 4 

460 + 340 = ( x + 200 ) : 4 

800 = ( x + 200 ) : 4 

x + 200 = 3200

=> x = 3000

460 - 85 x 4 = ( X + 200 ) : 4

460 + 340 = (X + 200 ) : 4

     800      = ( X + 200 ) : 4

     X + 200 = 3200

     X           = 3200 - 200

     X            = 3000

\(460+85\) x \(4=\frac{x+175}{5}+30\)

 \(460+340=\frac{x+175}{5}+30\)

\(800=\frac{x+175}{5}+30\\ \frac{x+175}{5}=800-30\\ \frac{x+175}{5}=770\)

\(x+175=770\) x \(5\)

\(x+175=3850\\ x=3850-175\\ x=3675\)

460 - 80 x 4 = ( x + 200) : 4
460 - 340 = (x + 200) : 4
120 = ( x + 200) : 4
x + 200 = 120 x 4
x + 200 = 480
          x = 480 - 200
          x = 280

460 + 85 *4 = x + 175 / 5 + 30

460 + 340 = x + 35 + 30

800 = x + 65

x = 800 - 65

x = 735

 460 +  85 *4 = x + 175 :5 +  30    

    460 + 340  = x + 35 + 30

           800     = x + 65

            x         = 800 - 65 = 735

460+85*4=x+\(\frac{175}{5}\)+30

460+340=x+35+30

800=x+65

x=800-65=735

460 + 85 x 4 = x + 175/5 + 30

460 + 340 = x + 35 + 30

800 = x + 65

x = 800 - 65

x = 735

460 + 85 x 4 = x + 175/5 + 30

460 + 340 = x + 35 + 30

800 = x + 65

x = 800 - 65

x = 735

cảm ơn Hữu Nghĩa nhé , anh họ tôi