Respuesta :
2(x-3)+21=-3
Distribute the 2
2x-6+21=-3
Combine like terms
2x+15=-3
Subtract 15 on both sides
2x=-18
Isolate x, so divide both sides by 2
X=-9
Distribute the 2
2x-6+21=-3
Combine like terms
2x+15=-3
Subtract 15 on both sides
2x=-18
Isolate x, so divide both sides by 2
X=-9