September 2018 1 58 Report

Proszę o rozwiązanie układów równań metodą podstawiania:

a) 2x - 5 (y + 1) = - 5

- x + 2(y + 2) = 4

b) 2 y - (3 + y) = 0

- x + y/2 = 2

c) 3x + y = 4

6x - (1 - 2y) = 8

d) ⅙x + 3y = - 20

⅓x - 2y = 16

e) √2x + y = 3

2y - x = 6


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