University:
University of California, Berkeley
Course:
MATH W54 | Linear Algebra and Differential Equations
Academic year:

2024
Views:

215

Pages:

1
Author:

selturvq

Linear Equations-2 1. Solve each of the following equations and represent the solution graphically. (a) 7x + 2 = -19 (b) 3x - 1/3 = 5 (c) 5x - 4 = 21 (d) -7x = 21 (e) 18 - 7x = -3 (f) 3(x + 4) = 21 (g) 2x/3 - 3x/5 = 8 (h) 3x - 9 = 5x - 3 (i) 3(x - 3) = 4(2x + 1) 2. Solve each of the following equations and check your solution by substituting in the equation. (a) 3x/2 - 10 = 1/2 (b) x/2 - x/3 = 8 (c) 6x - 9 - 2(1 - x) = x + 9 (d) 2(x - 2) - 5(x - 5) = 4(x - 8) - 2(x - 2) (e) (2 - y)/(y + 7) = 3/5 (f) (3x + 2)/(2x - 3) = - 3/2 (g) (x - 8 )/3 = (x - 3)/5 (h) 0.25(4y - 3) = 0.5y - 9

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