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8th grade (Illustrative Mathematics)

Unit 4: Lesson 5

Extra practice: Linear equations
Math
8th grade (Illustrative Mathematics)
Unit 4: Linear equations and linear systems
Extra practice: Linear equations
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Equation practice with angle addition

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Problem

Given
start overline, P, Q, end overline, \perp, start overline, P, S, end overline
m, angle, Q, P, R, equals, 7, x, minus, 9, degrees
m, angle, R, P, S, equals, 4, x, plus, 22, degrees
Find m, angle, Q, P, R:
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, start text, p, i, end text or 2, slash, 3, space, start text, p, i, end text
degrees
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