92 – 7.(3x + 52)= 86 : 84
92-21x-364=86-4
92-21x-364=82
92-21x-364=64
-21x=64-92+364
-21x=336
x=336:(-21)
x=-16
\(92-7.\left(3x+52\right)=8^6:8^4\\ \Leftrightarrow92-21x-364=8^2\\ \Leftrightarrow-21x=64-92+7.52\\ \Leftrightarrow-21x=336\\ \Leftrightarrow x=\dfrac{336}{-21}=-16\)
\(92-7.\left(3x+52\right)=8^6:8^4\)
\(92-21x-364=64\)
\(-21x=64+364-92\)
\(-21x=336\)
\(x=\dfrac{336}{-21}\)
\(x=-16\)
92 – 7.(3x + 52)= 86 : 84
92-21x-364=86-4
92-21x-364=82
92-21x-364=64
-21x=64-92+364
-21x=336
x=336:(-21)
x=-16