1) -6x-12=4x-17
-10x= -5
x=0.5
2)18x-19-4+7x= -78
25x= -55
x= -2.2
1)
-6x-12=4x-17
-6x-4x=-17+12
-10x=-5
x=1/2
2)
18x-19-4+7x=-78
25x-23=-78
25x=-78+23
25x=-55
x=-11/5
x=-2 1/5
x=-2.2
