I NEED HELP WITH MATH

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

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

Define multiplicative inverse. give an example of a number and its multiplicative inverse.