human
Antoinette weighs 7 less kilograms than twice Rupert's weight. Together they weigh 98 kilograms. How many kilograms does Antoinette weigh?
assistant
Define a variable ** Let R = Rupert's weight
How much does Antoinette weigh? ** Antoinette = 2R - 7
Write an equation ** R + 2R - 7 = 98
Simplify ** 3R = 105
How much does Rupert weigh? ** Rupert = <<35=35>>35 kg
How much does Antoinette weigh? ** Antoinette = 2 * 35 - 7 = <<2*35-7=63>>63 kg
How many kilograms does Antoinette weigh? ** Antoinette weighs 63 kilograms.
#### 63