Y=17.8 Please let me know if it is correct :)
X = 9
you multiply both sides by 3 because you have to get rid of it and what you do to one side you do to the other then you divide both sides by 2 to isolate the variable. i hope that makes sense.
Step-by-step explanation:
90+48=138
180-138=42
y=42
Answer:
okay , attach a file .
Step-by-step explanation: