Question

(b) 2x+5y=4 0.6x+0.8y=-0.2 Solution: (c) -x+2y=-5 4x-8y=20 Solution: (d) \frac{1}{4}x-\frac{2}{5}y=1 10x-16y=52 Solution:

          (b) 2x+5y=4
0.6x+0.8y=-0.2
Solution:
(c) -x+2y=-5
4x-8y=20
Solution:
(d) \frac{1}{4}x-\frac{2}{5}y=1
10x-16y=52
Solution:

(b) 2x+5y=4
0.6x+0.8y=-0.2
Solution:
(c) -x+2y=-5
4x-8y=20
Solution:
(d) (1)/(4)x-(2)/(5)y=1
10x-16y=52
Solution:

Added by Jose Manuel M.

Elementary and Intermediate Algebra

Alan S. Tussy, R. David Gustafson 5th Edition

Instant Answer

Solved by Expert Adi S

06/29/2022

Step 1

Step 1: We can solve the system of equations (b) and (c) by using the substitution method. Show more…

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Thanks for your feedback!

Please help with this. These are a part of one question. Solution: (b) 2x + 5y = 4 0.6x + 0.8y = -0.2 Solution: -2y = -5 (c) 4x - 8y = 20 Solution: (d) 10x - 16y = 52

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Question

(b) 2x+5y=4 0.6x+0.8y=-0.2 Solution: (c) -x+2y=-5 4x-8y=20 Solution: (d) \frac{1}{4}x-\frac{2}{5}y=1 10x-16y=52 Solution:

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