7+l/5=-4
(n/-3)-2=8
7+l/5=-4
subtract 7 from both sides
l/5 = -11
multiply by 5
l = -55
(n/-3)-2=8
add 2 to both sides
n/-3 = 10
multiply by -3
n = -30
a. 7+l/5=-4
You need to get l by itself on one side of the equation.
First step, move 7 to the opposite side of the equation by subtracting both sides by 7.
7+l/5=-4 (7 cancels on left)
l/5= -11 (multiply both sides by 5)
l=-55
b. (n/-3)-2=8 You need to get n by itself.
First step is to move -2 to the other side of the equation by adding it to both sides.
(n/-3)=10 (-2 cancels on left)
n=10*-3 (multiply both sides by -3, this will cancel -3 on the left.)
n=-30
You can plug these values back into the equation to check your answer at any time.
To solve the first equation, 7 + l/5 = -4, you want to isolate the variable, which in this case is "l".
1. Start by subtracting 7 from both sides of the equation:
7 + l/5 - 7 = -4 - 7
This simplifies to:
l/5 = -11
2. To get rid of the fraction, multiply both sides of the equation by 5:
5 * (l/5) = 5 * (-11)
This simplifies to:
l = -55
Therefore, the value of "l" that satisfies the equation 7 + l/5 = -4 is -55.
Now, let's move on to the second equation: (n/-3) - 2 = 8.
To solve for "n", follow these steps:
1. Begin by adding 2 to both sides of the equation:
(n/-3) - 2 + 2 = 8 + 2
This simplifies to:
n/-3 = 10
2. To remove the fraction, multiply both sides of the equation by -3:
-3 * (n/-3) = -3 * 10
By simplifying, you get:
n = -30
Therefore, the value of "n" that satisfies the equation (n/-3) - 2 = 8 is -30.