Question

X - 5 = 8
3x + 6 = 12
2 = 7y -5
5c + 2 = 3c- 9

Answer 1

x-5=8
x=8+5
x=13


3x+6=12
3x=12-6
3x=6
x=6/3
x=2

2=7y-5
2+5=7y
7=7y
y=7/7
y=1

5c+2=3c-9
5c-3c=-9-2
2x=-11
x=-11/2