12*(32-(36+8x)/5)=144
12*(32-(36+8x)/5)=144 (32-(36+8x)/5)=144:12 (32-(36+8x)/5)=12 32-(36+8x):5=12 (36+8x):5=32-12 (36+8x):5=20 (36+8x)=20х5 (36+8x)=100 8х=100-36 8х=64 х=64:8 х=8