\(15\times\left(32-24\div x\right)-230=70\)
\(15\times\left(32-24\div x\right)=300\)
\(32-24\div x=20\)
\(24\div x=12\)
\(x=2\)
\(15\times\left(32-24:x\right)-230=70\)
\(15\times\left(32-24:x\right)=70+230\)
\(15\times\left(32-24:x\right)=300\)
\(32-24:x=300:15\)
\(32-24:x=20\)
\(24:x=32-20\)
\(24:x=12\)
\(x=24:12\)
\(x=2\)
\(#WendyDang\)
\(15\cdot\left(32-24:x\right)=300\)
\(32-24:x=300:15=20\)
\(24:x=32-20=12\)
\(x=24:12=2\)