Try using parentheses or circles to separate terms, if you find that helpful.

Complete any multiplication or division.

$3 −10$

Complete any addition or subtraction.

$3 − 10 = −7$

$−7$

As you did in part (a), be sure to use the correct order of operations.

$70$

Again, you will be following the order of operations. Remember to perform multiplication and division from left to right.