Can someone please help

Solve 2x+y=3 x+y=5 in substitution method

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that