3x+5(x+4)=0
To solve this problem, we'll follow these steps:
Now, let's work through each step:
Step 1: Distribute the number 5 across the expression inside the parentheses:
becomes .
Step 2: Combine the like terms:
Combine and to get .
Thus, the equation becomes .
Step 3: Solve for :
Subtract 20 from both sides: .
Finally, divide both sides by 8: .
Simplify the fraction: .
Therefore, the solution to the equation is .