3*(x-2)+5x=18
3x – 6 + 5x = 18
3x + 5x = 18 + 6
8x = 24
x = 3
3x – 12 = – 1x + 6
3x + x = 6 + 12
4x = 18
x = 4.5
7*(x-3)+5x=3
7x – 21 + 5x = 3
7x + 5x = 3 + 21
12x = 24
x = 2
18-3*(1+x)=3
18 – 3 – 3x = 3
– 3x = 3 + 3 – 18
-3x = -12
x = 4
3*(x-2)+5x=18
3x – 6 + 5x = 18
3x + 5x = 18 + 6
8x = 24
x = 3
3x – 12 = – 1x + 6
3x + x = 6 + 12
4x = 18
x = 4.5
7*(x-3)+5x=3
7x – 21 + 5x = 3
7x + 5x = 3 + 21
12x = 24
x = 2
18-3*(1+x)=3
18 – 3 – 3x = 3
– 3x = 3 + 3 – 18
-3x = -12
x = 4