1)(83х+77х-159х)-(87+95)=24
83х+77х-159х-87-95-24=0
х-206=0
х=206
2)127+(95х-94х)=212
127+95x-94x-212=0
x-85=0
x=85
3)(83х-82х)+317=502
83х-82х+317-502=0
х-185=0
х=185
1)(83х+77х-159х)-(87+95)=24
83х+77х-159х-87-95-24=0
х-206=0
х=206
2)127+(95х-94х)=212
127+95x-94x-212=0
x-85=0
x=85
3)(83х-82х)+317=502
83х-82х+317-502=0
х-185=0
х=185