Hi I need help with dis answer

Match each equation with the operation you can use to solve for the variable. subtract 10. divide by 10. divide by 5. subtract 18. multiply by 10. add 18. add 10. multiply by 5. 5 = 10p arrowright p + 10 = 18 arrowright p + 18 = 5 arrowright 5p = 10 arrowright

1. what is the measure of ∠abc? what is the measure of ∠abd?

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17