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Angles A and B are supplementary. The measure of angle A is 60° and the measure of angle B is represented by 3x. Which equation can be used to determine the value of x? The equa…

Angles A and B are supplementary. The measure of angle A is 60° and the measure of angle B is represented by 3x. Which equation can be used to determine the value of x? The equa…
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3 votes
Angles A and B are supplementary. The measure of angle A is 60° and the measure of angle B is represented by 3x. Which equation can be used to determine the value of x?

The equations are
A. 60+3x=90
B. 3x+60=180
C. 60-3x=180
D. 3x=60​

asked
User Maximilian Ast
by
8.0k points

1 Answer

5 votes
b
because the angles are supplementary meaning they add up to 180
answered
User Jutikorn
by
8.9k points
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