C is answer no explanation needed
Answer:
brainliest is appreciated
Answer:
n+11=15
-11 -11
n=4
Step-by-step explanation:
subtract 11 from both sides
Hey there!
Here's your answer: m<BDC=69
Here's how I got it:<ADC=112; <ADB and <BDC together form <ABD.
you would add 6x+7and 12x-3 together to equal 112; 18x+4=112, and solve for x
next substitute 6 for x, into m<BDC=12x-3, and simplify!
Hope this helps!