Chapter 7 - XYZ Custom Plus
Chapter 7 - XYZ Custom Plus
Chapter 7 - XYZ Custom Plus
- No tags were found...
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
444<strong>Chapter</strong> 7 Solving EquationsB Solve each equation by first finding the LCD for the fractions in the equation and then multiplying both sides of theequation by it. (Assume x is not 0 in Problems 39–46.) [Examples 5–7]31. x _3 + x _6 = 51032. x _2 − x _4 = 31233. x _5 − x = 4−534. x _3 + x = 8635. 3x + _1 2 = 1 _4 36. 3x − _1 3 = 1 _6 37. _x 3 + 1 _2 = −1 _2 _− 1 12 _ 1 6 −338. x _2 + 4 _3 = −2 _3 −439. 4 _x = 1 _5 2040. 2 _3 = 6 _x 941. 3 _x + 1 = 2 _x −142. 4 _x + 3 = 1 _x −143. 3 _x − 2 _x = 1 _5 544. 7 _x + 1 _x = 2445. 1 _x − 1 _2 = −1 _4 446. 3 _x − 4 _5 = −1 _5 5Solve each equation.47. 4x − 4.7 = 3.52.0548. 2x + 3.8 = −7.7−5.7549. 0.02 + 5y = −0.3−0.06450. 0.8 + 10y = −0.7−0.1551. _1 x − 2.99 = 1.02312.0352. _1 x + 2.87 = −3.017−41.1653. 7n − 0.32 = 5n + 0.560.4454. 6n + 0.88 = 2n − 0.77−0.412555. 3a + 4.6 = 7a + 5.3−0.17556. 2a − 3.3 = 7a − 5.20.3857. 0.5x + 0.1(x + 20) = 3.2258. 0.1x + 0.5(x + 8) = 75Find the value of x for each of the figures, given the perimeter.59. P = 36 x = 10 60. P = 30 x = 5xxx2x 3x 62x 261. P = 16 x = 5 62. P = 60 x = 10xxx2x 62x 4x 1