Question

67x+21x=31x+2x+34-45

Answer 1

$67x+21x=31x+2x+34-45$

$88x=33x-11$

$88x-33x=-11$

$55x=-11$

$x= \dfrac{-11}{55}$

$x= -\dfrac{1}{5}$

Answer 2

67x + 21x = 31x + 2x + 34 - 45
67x + 21x - 31x - 2x = 34 - 45
55x = - 11
x = - 11/55
x = - 1/5