What is the value of x if 15=5x+45?
answers (choose one)
A. -30
B. -6
C. 12
D. 60
15=5x+45
-45+15=5x
-30=5x
-30/5=5x/5
x=-6
so the answer is b) -6
15=5x+45
What is the value of x?
SORY
To find the value of x in the equation 15 = 5x + 45, we need to solve for x.
First, let's isolate the term with x on one side by subtracting 45 from both sides of the equation:
15 - 45 = 5x + 45 - 45
This simplifies to:
-30 = 5x
Next, we want to isolate x by dividing both sides of the equation by 5:
-30/5 = 5x/5
This simplifies to:
-6 = x
Therefore, the value of x that satisfies the equation is -6.
So, the correct answer is B. -6.