The coordinates of C is, (3,-1)
A is the. Answer
Substitution or elimination
Answer:
x=5
Step-by-step explanation:
Ok so put them equal to each other
2x+12=3x+7
subtract 12 from both sides
2x=3x-5
subtract 3x from both sides
-x=-5
divide both sides by -1
x=5
Have a wonderful day/night
Brainliest please.
A decagon has 10 sides therefore it has 10 interior angles