Question

17x-1=15x+3 ?


21x+1=11x+6?


Me Ajudem Pf Galera

Answer 1

$17x - 1 = 15x + 3 \\ 17x - 15x = 3 + 1 \\ 2x = 4 \\ x = 4 \div 2 \\ x = 2$
$21x + 1 = 11x + 6 \\ 21x - 11x = 6 - 1 \\ 10x = 5 \\ x = 5 \div 10 \\ x = - 2$