They are right angles, supplementary means that they add up to 180. You can remember this because S in supplementary stands for S in straight line (which is 180 degrees. They are both right angles because 90 + 90 will equal 180.
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Answer:
Step-by-step explanation:
+(+) Two like signs become a positive sign 3+(+2) = 3 + 2 = 5
−(−) 6−(−3) = 6 + 3 = 9
+(−) Two unlike signs become a negative sign 7+(−2) = 7 − 2 = 5
−(+) 8−(+2) = 8 − 2 = 6
The answer is true because
(20) 3 = 10 (6)
60 = 60
Divide both sides
3x+y-6=0
move variable
6x=12-2y
divide
x=2-1/3y
solve
Final answer:
x=2
