Question

2(2x -3) = 6 + x, entonces x vale

A) -2

B) 3

C) 4

D) 2

E) -4



2(x + 1) – 3(x – 2) = x + 6
A) -1/2
B) 2
C) -1
D) -2
E) 1





PORFAAAAAAAAAA

Answer 1

Explicación paso a paso:

2(2x -3) =6 + x

4x - 6 = 6+ x

4x - x = 6 + 6

3x = 12

x = 12/3

x = 4 Rpta

2(x+1) - 3(x - 2 ) = x + 6

2x + 2 - 3x + 6 = x + 6

-x + 8 = x +6

8 - 6 = x + x

2 = 2x

2/2 = x

1 = x Rpta