The numerical value of x in the given figure is 14.
What is the numerical value of x?
Sum of angles on a straight line is equal to 180°.
From the figure in the diagram.
Angle ( 7x - 1 )° and angle ( 6x - 1 )° add up to 180° since they both on a straight line.
( 7x - 1 ) + ( 6x - 1 ) = 180
We solve for x
7x - 1 + 6x - 1 = 180
Collect like terms
7x + 6x -1 - 1 = 180
13x - 2 = 180
13x = 180 + 2
13x = 182
x = 182/13
x = 14
Therefore, the numerical value of x in the figure is 14.
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