By making 80=2x+20 by corresponding angles in parallel lines you find x=30 because 2(30)+20=80
Answer:$54 sales tax $24
Step-by-step explanation:
Answer:
x=4
Step-by-step explanation:
8 groups of 4 boys and add 7 girls to the groups
Answer: There is one solution, -20
Step-by-step explanation:

There is one solution, -20
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