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[|] Answer [|]
[|] Explanation [|]
3x + 5 = 23
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_________
Subtract 5 From Both Sides:
3x + 5 - 5 = 23 - 5
Simplify:
3x = 18
Divide Both Sides By 3:
Simplify:
X = 6
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_________
- Check Your Work -
Substitute 6 For X:
3 * 6 + 5 = 23
Parenthesis
Exponents
Multiply
Divide
Add
Subtract
3 * 6 = 18
18 + 5 = 23
Answer:
<h2>E. 22</h2>Step-by-step explanation:
<em>Look at the picture</em>.
The lines <em>l</em> and <em>m</em> are parallel, therefore alternate interior angles are congruent.
Therefore
Supplementary angles add up to 180°.
Therefore
<em>add 16 to both sides</em>
<em>subtract 5x from both sides</em>
We know: the sum of the triangle angle measures is 180°.
Therefore we have the equation:
