Solution: Substitute $ a = 5 $ into $ 5(5 + b) = 120 $. Simplify: $ 25 + 5b = 120 $. Subtract 25: $ 5b = 95 $. Divide by 5: $ b = 19 $. - Silent Sales Machine
How to Solve the Equation $ 5(5 + b) = 120 $: A Step-by-Step Guide
How to Solve the Equation $ 5(5 + b) = 120 $: A Step-by-Step Guide
Solving linear equations efficiently is a key skill in algebra, and one of the most common types involves substitution and simplification. One such example is solving the equation:
$$
5(5 + b) = 120
$$
Understanding the Context
This equation is easy to tackle when broken down step by step. In particular, substituting $ a = 5 $ simplifies the expression cleanly and leads directly to the solution. Let’s walk through the process.
Step 1: Apply the substitution
Start by substituting $ a = 5 $ into the original equation:
Key Insights
$$
5(5 + b) = 120
$$
Here, $ a $ represents the constant 5, making this step simple: $ 5(5 + b) $ becomes the left-hand side before substituting.
Step 2: Simplify the equation
Distribute the 5 inside the parentheses:
🔗 Related Articles You Might Like:
📰 spider man ps5 📰 spider man shattered dimensions 📰 spider man spider man movies 📰 The Bostonian Speak Hides This Shocking Truth About Bosnian Language 📰 The Bottle King Who Crushed Competitors In The Drink Throne 📰 The Bottle Kings Dark Secret How One Bottle Changed Everything 📰 The Bplr Phenomenon You Wont Believe Exists 📰 The Brains Highest Peaks Are Not Just Limitslocate The Silence That Fuels Genius 📰 The Breakdance Revenge Shocks Fans This Sequel Breaks All Rules 📰 The Breaking Moment Cher Reveals Heartbreak Behind Her Most Stunning Films 📰 The Breathtaking Style Behind Your Flawless Cool Background Youve Ignored For Years 📰 The Brew That Built A Bondand Revealed A Darker Secret 📰 The Bright White Screen Thats Taking The World By Stormyoull Feel It Immediately 📰 The Brightpoint Truth No One Talks About Inside The Andrew Story 📰 The Brony Hype Is Real See Why This Look Is Taken 📰 The Brujula Hidden Power Everyones Afraid To Use 📰 The Brujula That No One Knows Is Aliveand Its Watching You 📰 The Brutal Reality Behind Bronson Tom What They Never Want You To SeeFinal Thoughts
$$
25 + 5b = 120
$$
Now the equation clearly shows the constant and variable terms, ready for the next step.
Step 3: Isolate the variable term
Subtract 25 from both sides to eliminate the constant on the left:
$$
5b = 120 - 25
$$
$$
5b = 95
$$
This reduces the equation to a simple form where the variable $ b $ can be isolated.
Step 4: Solve for $ b $
Divide both sides by 5: