Question

1) Calcule as equações abaixo:

a)7 − 33 = −12


b)33 + = 5 – 3


c) 9x – 2 = 4x + 18


d) 3•(x + 1) + 2•(2x – 3) = 5•(x – 1 ) + 8

Answer 1

7 - 33 = -12

- 33 = -12 -7

-33 = -19

-33 +19 =

-14