Can you please help me on this question 6(1-4r)+3r=-3(3r-2)-6r
1 answer:
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Answer:
The second answer is correct.
Step-by-step explanation:
This is an isosceles triangle. The angles at the base are congruent (they have the same measures).
Look at the picture.
We know: The sum of the measures of angles in a triangle is equal 180°.
Therefore we have the equation:
<em>combine like terms</em>
<em>subtract 5 from both sides</em>
<em>divide both sides by 7</em>
