What is the answer to 7d+5=26, and 4t+1=25, 6r-3=15. Thanks! (missing letter)
I'll do the first one.
7d+5=26
7d + 5 - 5 = 26 - 5
7d = 21
d = 21/7
d = 3
I'll be glad to check your answers for the other two problems.
6r-3=15
???
To find the values of the missing letters in the given equations, we need to solve each equation separately. Let's start:
1. 7d + 5 = 26:
To isolate the variable d, we can start by subtracting 5 from both sides of the equation:
7d + 5 - 5 = 26 - 5
This simplifies to:
7d = 21
To solve for d, we divide both sides of the equation by 7:
7d/7 = 21/7
The 7's cancel out on the left side, leaving us with:
d = 3
So the value of d is 3.
2. 4t + 1 = 25:
To isolate the variable t, we begin by subtracting 1 from both sides of the equation:
4t + 1 - 1 = 25 - 1
This simplifies to:
4t = 24
To solve for t, we divide both sides of the equation by 4:
4t/4 = 24/4
The 4's cancel out on the left side, leaving us with:
t = 6
So the value of t is 6.
3. 6r - 3 = 15:
To isolate the variable r, we start by adding 3 to both sides of the equation:
6r - 3 + 3 = 15 + 3
This simplifies to:
6r = 18
To solve for r, we divide both sides of the equation by 6:
6r/6 = 18/6
The 6's cancel out on the left side, leaving us with:
r = 3
So the value of r is 3.
To summarize:
d = 3
t = 6
r = 3
Therefore, the missing letter in the given equations is 3.