100-__________=70

1 answer

To solve for the blank in the equation \(100 - ______ = 70\), you can set it up as follows:

\[ 100 - x = 70 \]

To find \(x\), subtract 70 from 100:

\[ x = 100 - 70 \] \[ x = 30 \]

So, the answer is:

100 - 30 = 70.