Question

resolva a equaçao 15+3 ( x + 2 ) = -7x + 2 ( x + 1 )

Answer 1

Olá.

15+3 ( x + 2) = -7x + 2 ( x + 1 )

15+3x + 6 = -7x + 2x + 2

3x + 7x - 2x = 2 - 15 - 6

10x - 2x = -13 - 6

8x = -13 - 6

8x = -19

x = -19/8

S ( -19/8 )