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really confused on this geometry problem can someone please help.

Really Confused On This Geometry Problem Can Someone Please Help class=

Sagot :

the sum of the angles is equal to 180, therefore

[tex]\begin{gathered} m\angle A+m\angle B=180 \\ 2x-10+5x+15=180 \\ 7x+5=180 \\ 7x+5-5=180-5 \\ 7x=175 \\ \frac{7x}{7}=\frac{175}{7} \\ x=25 \end{gathered}[/tex]

answer:

x = 25