\(h,\left(50-6x\right)\cdot18=2^3\cdot3^2\cdot5\\ \left(50-6x\right)\cdot18=8\cdot9\cdot5\\ \left(50-6x\right)\cdot18=360\\ 50-6x=360:18\\ 50-6x=20\\ 6x=50-20\\ 6x=30\\ x=30:6\\ x=5\\ i,128-3\left(x+4\right)=23\\ 3\left(x+4\right)=128-23\\ 3\left(x+4\right)=105\\ x+4=105:3\\ x+4=35\\ x=35-4\\ x=31\\ k,\left[\left(4x+28\right)\cdot3+55\right]:5=35\\ \left(4x+28\right)\cdot3+55=35\cdot5\\ \left(4x+28\right)\cdot3+55=175\\ \left(4x+28\right)\cdot3=175-55\\ \left(4x+28\right)\cdot3=120\\ 4x+28=120:3\\4x+28=40\\ 4x=40-28\\ 4x=12\\ x=12:4=3\\ l,\left(3x-2^4\right)\cdot7^3=2\cdot7^4\\ \left(3x-16\right)\cdot7^3=2\cdot7^3\cdot7\\ \left(3x-16\right)\cdot7^3=14\cdot7^3\\ 3x-16=14\\ 3x=14+16\\ 3x=30\\ x=30:3\\ x=10\\ m,43+\left(9-21\right)=317-\left(x+317\right)\\ 43-12=317-x-317\\ 317-x-317=43-12\\ -x=31\\ x=-31\)
