Answer:
x=10, y=4
Step-by-step explanation:
3x-3y=18
(-)3x-(-)8y=-(-)2 -3x+8y=2 add to first equation to eliminate x
5y=20
y=4
substitute y with 4
3x-3(4)=18
3x=30
x=10
x=10,y=4
3X + 5X = 136
8X = 136
X = 17
Numbers are 51 and 85
<h3>What is the value of the sum 1/3 + 2/3+ 2/3+ 4/3 + 5/3+6/3+7/3+8/3</h3>
<h2>ANSWER</h2>

Decimal Form:

Mixed nunber Form:

The perimeter of the triangle, rounded to the nearest tenth, is 8.5 units.