D. x = 5
How do you solve X in denominator?
Write the equation you wish to solve for the x. For example, your write "x/3 = 7.". Note the number that forms by the denominator of the fraction to which (x) is the numerator. In the example, three is the denominator to the fraction. Multiply each term by the equation by the number in the denominator.
What are the steps on solving equations?
- Write the problem.
- Decide whether to use addition and subtraction to isolate the variable term.
- Add and subtract the constant on both sides by the equation.
- Eliminate the coefficient of the variable through division and multiplication.
- Solve for the variable.
Given,
the rectangle sale, with LE = 3 = SA
or SE = 3x + 4 and AL = 5x -6
We have to solve for x,
Since opposite sides of a rectangle are equal.
So, SE = AL
3x + 4 = 5x - 6
Adding 6 on both sides, we have,
3x + 10 = 5x
Now subtract by 3x both sides, and we have,
10 = 5x - 3x
Simplify, we have,
10 = 2x
Divide both sides by 2, and we have,
x = 5
hence, x = 5
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