Connect with knowledgeable experts and enthusiasts on IDNLearn.com. Find the answers you need quickly and accurately with help from our knowledgeable and dedicated community members.
Answer:
[tex]\tt x=21[/tex]
Step-by-step explanation:
[tex]\tt 45+63+4x-12=180[/tex]
[tex]\tt \cfrac{4x}{4} =\cfrac{180-96}{4}[/tex]
[tex]\tt x=21[/tex]
~