To solve the equation 5 over 8((x)−1 over 2)=10 , the first step is to reverse the multiplication. What number should both sides be divided by what?????

3 answers

To solve the equation, the first step is not to reverse the multiplication, but rather to simplify the expression on the left side of the equation.

Starting from the given equation:

5/8((x)−1/2) = 10

First, distribute the 5/8 to the terms inside the parentheses:

5/8 * (x) - 5/8 * (1/2) = 10

Simplifying further:

5/8x - 5/16 = 10

Now, to isolate the term containing the variable (x), the next step would be to move the constant term (5/16) to the other side by adding it to both sides of the equation:

5/8x - 5/16 + 5/16 = 10 + 5/16

Simplifying:

5/8x = 161/16

Finally, to solve for x, divide both sides of the equation by 5/8:

(5/8x)/(5/8) = (161/16) / (5/8)

Simplifying:

x = (161/16) * (8/5)

x = 161/10

Therefore, to solve the equation, both sides should be divided by 5/8, after simplifying the expression on the left side.
To solve the equation 4.72(x−6.56)=10.4 , the first step is to reverse the multiplication by dividing by 4.72. After dividing by 4.72, what number should be added to both sides?
After dividing both sides of the equation by 4.72 to reverse the multiplication, you get:

(x - 6.56) = 10.4 / 4.72

Simplifying the right-hand side:

(x - 6.56) = 2.2034

To isolate the variable term (x), you should then add 6.56 to both sides:

(x - 6.56) + 6.56 = 2.2034 + 6.56

On the left-hand side, the -6.56 and +6.56 cancel out, leaving you with just x:

x = 8.7634

Therefore, after dividing by 4.72, the number that should be added to both sides is 6.56.