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Exercise 12.1

r. (1) 5x – 3 = 3x - 5
.
(1) 5y - 2[y - 3(y – 5)] = 6​

User MAZux
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1 Answer

12 votes

Answer:

(1) x = -1 (1) y = 4

Explanation:

r. (1) 5x - 3x = -5 + 3

2x = -2; x = -1

(1) 5y - 2[y - 3y +15] = 6

5y - 2y+6y - 30 = 6

9y = 36; y = 4

Have a good day!

User Rob Harrop
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