120+25x=45x
Step 1: Simplify both sides of the equation.
25x+120=45x
Step 2: Subtract 45x from both sides.
25x+120−45x=45x−45x
−20x+120=0
Step 3: Subtract 120 from both sides.
−20x+120−120=0−120
−20x=−120
Step 4: Divide both sides by -20.
−20x
−20
=
−120
−20
x=6
Answer:
x=6