129
What is 'what'???? You write it as 'unknown' or 'x' . Hence 50 + x = 128 Subtract '50' from both sides x = 78 The Answer!!!!!! (The 'What???').
128
1+128=129
The answer to that is 256.
There is no r in 128 plus 253
140 + 145 + 132 + 128 = 545
67 times 2 and 134 times 1
2048
what if someone has a number already to add with another number to equal 128, so 64+64 still equals 128.
272 + 128 = 400
32 + 128 = 160
64 + 64 = 128.