Question

Please help l don’t understand give done working please

Answer 1

Answer:
1.-c+7c=11+1; 6c=12; c=2
2. a=27/3; a=9
3. -4b+2b=-8+10; -2b=2; b=-1
4. 9y-8y=-6; y=-6
5. -a-8a=-9; -9a=-9; a=1
6. -10x=10-20; -10x=-10; x=1
7. 24x+x=9+66; 25x=75; x=3
8. -9p-p=-10-30; -10x=-40; x=4
Explanation: