Answer:
Step-by-step explanation:
Angles on a straight line add up to 180 degrees.
Hence,
Remove brackets:
Subtract 22 from both sides:
Sams bill at a restaurant is $12, and he leaves a 20% tip. What is the total bill including the tip
1 answer:
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Sara cut biggert part, and her ribbon was longer.
Sara's piece was longer by 2 inches.
Sara's piece was longer by 2 inches.
so.. the left-hand-side does indeed simplify to x+7, so the equation does check out.
however, notice something, for the equation of x+7, when x = 6, we get (6) + 7 which is 13.
BUT for the rational, we get
so, even though the siimplification is correct, the rational or original expression is constrained in its domain.