To solve the equation 6+7x8+9 use the order of operations In the order of operations, multiplication comes first so first multiply 7 and 8. 7x8=56 The answer is 56. Now rewrite the equation. 6+56+9 All that is left is addition. Add from left to right. 6+56=62 Rewrite the equation 62+9 Now add the two digits 62+9=71 Therefore the answer to this equation is 71.