Evaluating Expressionsx-7 for x=-8 for x=-11for x= 16
1 answer:
You might be interested in
<h2>x = 9</h2><h3 />
<u>We know:</u>
- we can add/subtract the same expression to both sides of the equation to get an equivalent equation;
- we can multiply/divide both sides of the equation by the same non-zero number to get the equivalent equation.
<u>Equivalent equations</u> are algebraic equations that have identical solutions.
We have the equation:
<em>multiply bot sides by 3</em>
<em />
<em>divide both sides by 7</em>
<em />
I hope you understand it. Also pay attention to if the line is dotted or not because they do matter.
