Question

Quanto é 3 (6x - 3) + 3 (x + 1) > 3+x

Answer 1

$3(6x - 3) + 3 (x + 1) > 3+x\\ \\18x-9+3x+3>3+x\\ \\18x+3x-x>3+9-3\\ \\20x>9\\ \\x>\frac{9}{20}$

Answer 2

3(6x-3)+3(×+1)>3+x
18x-9+3x+3>3+x
18x+3x-x>3+9-3
20x>9
x>9/20

Espero ter ajudado! ☺