How do you solve 3px=2q (r-5x) , solve for x ? ?

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

Which number produces a rationale number when multiplied by 1/5

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}