Answer:x = -8
Step-by-step explanation:
Answer:
2 is a number and "twice a number" means multiply by 2.
Answer:18
Step-by-step explanation:
Answer: y=-2x-4
Step-by-step explanation:
y=-2x+b
-10=-2(3)+b
-10=-6+b
-4=b
Answer:
∠ CED = 58°
Step-by-step explanation:
∠ CED and ∠ AED are adjacent angles and sum to 180° , then
∠ CED + 122° = 180° ( subtract 122° from both sides )
∠ CED = 58°