Question

50+7(x+2)=85 tìm x

Answer 1

\(7\left(x+2\right)=85-50\\ 7\left(x+2\right)=35\\ x+2=35:7\\ x+2=5\\ x=5-2\\ x=3\)

Answer 2

50+7(x+2)=85 

7(x+2)=85-50

7(x+2)=35

x+2=35:7

x+2=5

x=5-2

x=3.

 

Answer 3

\(50+7\left(X+2\right)=85\)

\(7\left(X+2\right)=85-50\)

\(X+2=35:7\)

\(X=5-2\)

\(X=3\)