15. 3x = 21 16. 3x = -24 17. 5x + 15 = 0 18. 3x + 18 = 0 21. - 5 Y = 12 20. 3x + 4 = -8 9 Y = 19. 2x – 3 = 5 22. 23. 6 – x = 2r + 9 24. 3 – 2x = 2 – x 25. 2(3 + 2x) = 3(x – 4) 26. 3(2 — х) — 2х — 1 3 4 = -x 4 27. 8x – (2x + 1) = 3x – 10 28. 5 (2x – 1) = 10 29. 30. 1 - -r = 5 5 5 = 2y 31. 0.9t = 0.4 + 0.1t 32. 0.9t = 1 + t 33. = + - = 3 y y 34. y
15. 3x = 21 16. 3x = -24 17. 5x + 15 = 0 18. 3x + 18 = 0 21. - 5 Y = 12 20. 3x + 4 = -8 9 Y = 19. 2x – 3 = 5 22. 23. 6 – x = 2r + 9 24. 3 – 2x = 2 – x 25. 2(3 + 2x) = 3(x – 4) 26. 3(2 — х) — 2х — 1 3 4 = -x 4 27. 8x – (2x + 1) = 3x – 10 28. 5 (2x – 1) = 10 29. 30. 1 - -r = 5 5 5 = 2y 31. 0.9t = 0.4 + 0.1t 32. 0.9t = 1 + t 33. = + - = 3 y y 34. y
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter2: Linear Equations
Section2.1: Writing Equations
Problem 7CYU
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Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
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solve each equation.
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