4. The steps for solving 7x+ 3 = 52 are shown. Explain how each step helps solve
the equation. Include the phrases, "Isolate the variable by _." "Simplify," and
"Isolate the variable term by ___" in your answers.
Original equation
7x +3 - 52
7x +3 -3 -52-3
7x = 49
X
-7
5. Andrea spent $40 at a shoe store. She bought a pair of shoes for $25 and 5
identical pairs of socks. How much was each pair of socks?
a. Write an equation to represent this situation. Use x to represent the price of
each pair of socks