Question

Resolva as equações:

a) 3 − 7 = 2 + 5

b) 7 + 8 = 4 − 10

c) 4 − 15 = −2 + 3

d) 2 − 4 − 8 = 4

junto com comi se faz a conta por Favooor

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Answer 1

a) 3 − 7 = 2 + 5

-4 = 7

-4-7= 0

✏-11

b) 7 + 8 = 4 − 10

15 = -6

15+6

✏ 21

c) 4 − 15 = −2 + 3

-11 = 1

-11-1

✏ -12

d) 2 − 4 − 8 = 4

-10 = 4

-10-4

✏ -14