Can someone solve it please

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Acredit union pays 5% annual interest, compounded daily, on savings deposits. find the value after one year of $500 deposited in this account. $525.64 $25.64 $20.40 $520.40

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)