Question

ayuda es urgentee aa :(

Answer 1

Hola.

a)
2x - 8 = 3x + 11
2x - 3x = 11 + 8
- x = 19
x = -19

b)

4(2x + 3) = 21 - 3x
8x + 12 = 21 - 3x
8x + 3x = 21 - 12
11x = 9
x = 9/11

c)

7(5x + 3) = 2(5x - 3) + 20
35x + 21 = 10x - 6 + 20
35x - 10x = 20 - 21 - 6
25x = -1 - 6
25x =-7
x = -7 / 25