Question

a) -8-4+5-6+7? b) 2x-4-6x-7 ? me ajudem ??

Answer 1

Resposta:

a)-8-4+5-6+7=

+7+5-8-4-6=

+12-18=

-6

b)2x-4-6x-7=

2x-6x-4-7=

-4x-11. .(-1)

4x+11