Consider the following systems of equations 2x+3y=45 and x+y=10 what is the x value of the solution for this system

x=-15 i think this is right i may be wrong though

2x + 3y = 45  (1)

x + y  =  10    Multiply by -3:-

-3x - 3y = -30  (2)

Add equations :- (1) + (2) :-

-x = 15

x = -15  (answer)

answer: the answer is 127 degrees

by definition, an arc subtended by a central angle of some given measure has the same measure. so .