How to solve the equation (x-18) × 1.2 = x-14?

How to solve the equation (x-18) × 1.2 = x-14?

(x-18)×1.2=x-14
1.2x-21.6=x-14
1.2x-21.6+21.6=x-14+21.6
1.2x=x+7.6
1.2x-x=x+7.6-x
0.2x=7.6
0.2x÷0.2=7.6÷0.2
x=38

How to solve the equation of 1 + x = (1-10%) times (x + 18% + 1)

1+x=(1-10%)×（x+18%+1) 1＋X=0.9×﹙X＋1.18﹚ 1＋X=0.9X＋1.062 0.1X=0.062 X=0.62

These numbers - 1, 4, 21, 56, 115, ()
What's the number relationship? A 146 B 178 C 195 D 2042,15,7,40,77, () a 96 b126 C 138 D 156

One cubic minus 22 cubic minus 43 cubic minus 64 cubic minus 85 cubic minus 10. The answer is 204