Respuesta :

Answer:

-1.3

Step-by-step explanation: you distribute the negative sign to -2.9 so it turn to positive 2.9 and your left with -4.2 + (-2.9) = x and then you solve by doing -4.2 + 2.9 to get -1.3

Hi1315

Answer:

[tex] - 1.3[/tex]

Step-by-step explanation:

[tex] - 4.2 - ( - 2.9) \\ - 4.2 + 2.9 \\ = - 1.3[/tex]