Which of the above numbers is the value of expression equal to?
2 answers:
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Hey!
The first step to solving this equation would be to subtract 5 from both sides of the equation.
<em>Original Equation :</em>
- 8x + 16 = 5
<em>New Equation {Added Subtract 5 to Both Sides} :</em>
- 8x + 16 - 5 = 5 - 5
Now we solve our new equation.
<em>Old Equation :</em>
- 8x + 16 - 5 = 5 - 5
<em>Solution {Old Equation Solved} :</em>
- 8x + 11 = 0
The next step would be to solve with the quadratic formula.
<em>Quadratic Equation ( 1 ) :</em>
<em>Quadratic Equation ( 1 ) {Solved} :</em>
4 +
<em>Quadratic Equation ( 2 ) :</em>
<em>Quadratic Equation ( 2 ) {Solved} :</em>
4 -
<em>So, our final solutions for the equation - 8x + 16 = 5 are...</em>
x = 4 +
<em>and </em>
x = 4 -
Hope this helps!
- Lindsey Frazier ♥
The first step to solving this equation would be to subtract 5 from both sides of the equation.
<em>Original Equation :</em>
<em>New Equation {Added Subtract 5 to Both Sides} :</em>
Now we solve our new equation.
<em>Old Equation :</em>
<em>Solution {Old Equation Solved} :</em>
The next step would be to solve with the quadratic formula.
<em>Quadratic Equation ( 1 ) :</em>
<em>Quadratic Equation ( 1 ) {Solved} :</em>
4 +
<em>Quadratic Equation ( 2 ) :</em>
<em>Quadratic Equation ( 2 ) {Solved} :</em>
4 -
<em>So, our final solutions for the equation
x = 4 +
<em>and </em>
x = 4 -
Hope this helps!
- Lindsey Frazier ♥