5. Find the sum or difference.
(7x + 2) + (-3x +1)

(7x + 2) + (-3x +1)

7x+2 -3x+1

7x-3x=4x                   2+1=3

=4x+3

Step-by-step explanation:

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value

answer:

step-by-step explanation: