Question

Find the sum.

172 + (–167) + (–10) + (–144) (1 point)
–129
–149
185
139

Answer 1

-149

Answer 2

A positive sign and a negative sign becomes a negative sign

Answer 3

SO

172 + (–167) + (–10) + (–144)

is really

172 - 167 - 10 - 144 = ?

Answer 4

+ - = -
-+ = -
++ = +
-- = +

Answer 5

Do you still want an explanation?