3x + 7 = 5x
7 = 2x

What step would you take to get from 3x + 7 = 5x to get to 7 = 2x

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 ?

Extra points! find the missing dimension! need asap

On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.