How many solutions does 6-3x =4-x-3-2x have?

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

Use the elimination method to solve the systems of equations. choose the correct ordered pair. 7x+4y=39