<span>y=2x+7
y=9x+8
From (1),
x= (y-7)/2
Substituting value of x in eqn (2) we get,
y= 9.(y-7)/2 + 8</span>
Answer:
idk dude
Step-by-step explanation:
Answer:
8
Step-by-step explanation:
The sum of two interior angles in a triangle is equal to an exterior angle
7x - 4 + 9x + 4 = 128° add like terms
16x = 128 divide both sides by 16
x = 8
Answer:
°
Step-by-step explanation:
The given figure is a quadrilateral or a figure with (4) sides. The sum of angles in a quadrilateral is (360) degrees. One can apply this here by stating the following:

Simplify,


Inverse operations,


A factor
Source: VOCAB Quizlet
hoped this helped:)