Question

x-43=(57-x)-50 giúp mình nhó

Answer 1

x-43=(57-x)-50

x-43=57-x-50

x+x =57-50+43

2x   =50

   x  =50:2

   x  =25

Answer 2

sao ko đăng cùng 1 lúc đi

Answer 3

\(x-43=\left(57-x\right)-50\)

\(\Leftrightarrow x-43=57-x-50\)

\(\Leftrightarrow x-43=7-x\)

\(\Leftrightarrow2x=50\)

\(\Leftrightarrow x=25\)

Answer 4

X-43=(57-X)-50

X-43=57-X-50

X+X=57+43-50

X.2=50

X=25