Understand the problem
1 of 3
First, understand the question
Do not start calculating until the given information and the required answer are clear.
Problem
Multiply the equation by without changing its solution set.
What are we trying to do?
Create an equivalent equation by multiplying every term on both sides by the same number.
Use the visual to test the rule
Use the control to change the mathematical situation and watch what remains true.
Which variable should disappear?
Your multiplier applies to the entire row, like brackets around the whole equation.
Choose a variable to reveal the scaling.
Helpful?