How can the additive inverse be used to evaluate the problem below? Negative 3 minus (negative 6)

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

Which number line represents the solution set for the inequality - x 24?