\(200-\left(2x+6\right)=4^3\)
\(200-\left(2x+6\right)=64\)
\(2x+6=200-64\)
\(2x+6=136\)
\(2x=136-6\)
\(2x=130\)
\(x=130:2\)
\(x=65\)
200 - ( 2x + 6 ) = 43
200 - ( 2x + 6 ) = 64
2x + 6 = 200 - 64
2x + 6 = 136
2x = 136 - 6
2x = 130
x = 130 : 2
x = 65
200 - ( 2x + 6 ) = 43
200 - ( 2x + 6 ) = 64
( 2x + 6 ) = 200 - 64
( 2x + 6 ) = 136
2x = 136 - 6
2x = 130
x = 130 : 2
x = 65
200 - ( 2x + 6 ) = 43
200 - ( 2x + 6 ) = 64
2x + 6 = 200 - 64
2x + 6 = 136
2x = 136 - 6
2x = 130
x = 65
200 - (2x + 6) = 64
2x - 6 = 200 - 64
2x - 6 = 136
2x = 136 + 6
2x =142
x = 142 : 2
x = 71
K NHA