What is the answer to -30+5x=12
-30 + 5x=125x=12+305x=42x=42/5x=8.4
-30 + 5x = 12.5x = 12 +30. Rearranging.5x = 42. Divide both sides by 5.x = 42/5 x = 8/2/5 or 8.4.Cheers.