Answer: (7x - 2) + (4x) + (5x - 10) = 180
Explanation: The sum of all angles in a triangle is 180º, so you need to make all the angles in the triangle equal to 180º when writing an equation.
Answer:
3(7x + 5y)
Step-by-step explanation:
the highest common factor for this equation is 3, as 21/3 = 7 and 15/3 = 5, and 5 and 7 have no more common factors:
thus - > 21x + 15y = 3(7x + 5y)
Answer:
What music he likes, what music he promotes, his favorite bad is, or what his favorite instrument is.
Step-by-step explanation:
One of the options above should help, let me know if it did!