Question

Срочнооооо!!!!
104y-12=1132
29×(145-6z)=203

Answer 1

I hope this helps you

Answer 2

1) 104у=1132+12
104у=1144
у=1144:104

2)145-6z=203:29
145-6z=7
6z=145-7
6z=138
z=138:6