3 x A = 30 + 30

it’s a 3rd grade problem but don’t know the answer

For the equations below which statement is true ? -2x=14 6x=-42

Darcy deposited $390 into a savings account. as long as the account balance remains at or above $150, she does not have to pay a service fee for the account. for how many months can she withdraw $40 a month without having to pay service fees? a) 3 b) 5 c) 6 d) 9

If the average of x,y and z is 15 what is their sum