Loadingโฆ
Learn to solve equations that require two operations
Learn step-by-step with practice exercises built right in.
An equation that requires two operations to solve:
Move constants to one side
Isolate the variable
Example:
Solve:
Solution:
Step 1: Subtract 7 from both sides
Review key concepts with our flashcard system
Explore more Grade 8 Math topics
Step 1: Subtract 5 from both sides
Step 2: Divide both sides by 3
Substitute back into the original equation: โ
Example:
Step 1: Add 6 to both sides
Step 2: Divide by -2
Step 2: Divide both sides by 2
Check: โ
Answer:
Solve:
Solution:
Step 1: Add 3 to both sides
Step 2: Multiply both sides by 4
Check: โ
A taxi charges \3$0.50$12$, how many miles was the trip?
Solution:
Let = number of miles
Equation:
Step 1: Subtract 3 from both sides
Answer:
Step 2: Divide by 0.50
Answer: 18 miles