alijahhoneycutt12
alijahhoneycutt12
10-02-2021
Mathematics
contestada
Please do number 17 for me.
Respuesta :
epicman00900
epicman00900
10-02-2021
Angles in a triangle add to 180 degrees
3x+1+11x-4+5x-7=180
collect like terms
19x-10=180
Add ten to both sides
19x=190
x=10
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