Question

9. Resuelve las siguientes ecuaciones:
a) 3x=6x +10
b ) 2x-3+4 (3 - x) = 2x + 30
c) 5x + 2 = -10
d) 3(2x + 4) - x + 2 = 3x + 2

ayuda : ) ​

Answer 1

3x = 6x +10

-10 =  6x - 3x

-10 = 3x

-10/3 = x

2x - 3 + 4 (3 - x) = 2x + 30

2x - 3 + 12 - 4x = 2x + 30

-2x + 9 = 2x + 30

-30 + 9 = 2x + 2x

-21 = 4x

-21/4 = x

☆༒ axllxa  ༒☆