Resposta :
4x - 7 = x - 10
4x - x = -10 + 7
3x = -3
x = -3/3
x = -1
Bons estudos!!
[tex]\large\boxed{\begin{array}{l} \sf{4x - 7 = x - 10} \\ \\ \sf{4x - x = - 10 + 7} \\ \\ \sf{3x = - 3} \\ \\ \sf{x = \dfrac{ - 3}{3} } \\ \\ \boxed{\sf{x = - 1}}\end{array}}[/tex]