August 2018 1 16 Report
Rozwiąż podane układy równań metodą podstawienia.

a) { x+2y=-2
{ 2x-y=1

b) { x+4y=-2
{ 3x-8y=10

c) { x-2y=3
{ -2x+y=0

d) { 2x+y=9
{ 5x-4y=3

e) { 3x-2y=5
{ 2x-y=4

f) { 2x-9y=-9
{ -3x+3y=8

g) { 2x+3y=4
{ 8x-5y=-1
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