Question

f) 4x -7 = 8x -2

ajudem

g)2x+1=4x-7

h)9x+9+3x =15​

Answer 1

Explicação passo a passo:

f) 4x -7 = 8x -2

4x - 8x = -2 + 7

-4x = 5

x = 5/-4

g)2x+1=4x-7

2x - 4x = -7 -1

-2x = -8

x = -8/-2

x = 4

h)9x+9+3x =15​

9x + 3x = 15 - 9

12x = 15 - 9

12x = 6

x = 6/12