Rozwiązane

Rozwiąż równania:
x ∙ 4 = 8
2 ∙ x – 7 = 63
4 ∙ a – 17 = 89
b – 12 = 48
6 ∙ x – 4 – 3 ∙ x = 17
3 ∙ m + 7 = 28
x : 9 = 12
c + 16 = 23
6 ∙ x + 4 – 3 ∙ x = 7
4x – 6 = 16