Question

(x+16)° (4x-5)° Find the measure of the angle. I

Answer 1

$4x - 5 = x + 16$

Subtract the sides of the equation plus 5

$4x = x + 16 + 5$

$4x = x + 21$

Subtract the sides of the equation minus x

$3x = 21$

Divided the sides of the equation by 3

$\frac{3}{3} x = \frac{21}{3}$

$x = 7$

So the measure of the angle equals :

$4(7) - 5 = 28 - 5 = 23$

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And we're done.

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