7×11x+23x-47=53 решите пжлт

Question

7×11x+23x-47=53 решите пжлт

Answer 1

77х + 23х - 47 = 53
100х = 53 + 47
100х = 100
      х = 1

Answer 2

77x+23x=100
100x=100
X=1