Seudónimo Seudónimo 22-01-2021 Mathematics contestada Find the solution to each number sentence below: (1) - 10 + 15 = _______ (2) 28 + (-29) = _______ (3) -40.5 + (-0.5) = ______ (4) 50 - (- 5) = ______ (5) 100 - 255 = ______ (Hint: take away a negative means adding the opposite)