Solve {l}{200013-800012=20}{-700013-40001+40=0}

$$\left. \begin{array} { l } { 200013 - 800012 = 20 } \\ { - 700013 - 40001 + 40 = 0 } \end{array} \right.$$

Verify

Solution Steps

Subtract 800012 from 200013 to get -599999.

$$-599999=20\text{ and }-700013-40001+40=0$$

Compare -599999 and 20.

$$\text{false}\text{ and }-700013-40001+40=0$$

Subtract 40001 from -700013 to get -740014.

$$\text{false}\text{ and }-740014+40=0$$

Add -740014 and 40 to get -739974.

$$\text{false}\text{ and }-739974=0$$

Compare -739974 and 0.

$$\text{false}\text{ and }\text{false}$$

The conjunction of \text{false} and \text{false} is \text{false}.

$$\text{false}$$