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P = Parentheses
E = Exponents
M = Multiplication
D = Division
A = Addition
S = Subtraction
The total cost of a $70.42 meal after a 20% tip $
2 answers:
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Hello!
The two angles pictured are corresponding angles, so they are congruent.
Therefore:
17x - 4 = 12 + 15x
Isolate for x by subtracting 15x from both sides:
2x - 4 = 12
Add 4 to both sides:
2x = 16
Divide both sides by 2:
x = 8.