Question

a) 3 (x+4)=x-12 b) 5 (-x+3)=96 c) 5 (x-4)+17=2x+15

Answer 1

Cálculos;

$a) 3x+12=x-12 2x=-24 x=-24/2 x=-12 b) -5x + 15=96 x= 81/(-5) x=-16,5 c) 5x - 20 +17=2x+ 30 3x -3 =30 3x=33 (passa 3 dividindo) x= 11$