I need helping solving -3z+7=-7-10z
-3z + 7 = -7 - 10zAdd 10z to both sides7z + 7 = -7Subtract 7 from both sides7z = -14Divide by 7 Z = -2
-3z+7=-7-10z-3z+10z=-7-77z=-14 (divide both sides by 7)z=-2