rozwiaz algebraicznie i graficznie uklad rownan : { 6x-3y = 2 } , { 3x+2y = 15 }
PROSZE O OBLICZENIA
2. C)
0.5x+2y=1
Y=2-x
0.5x + 2· (2-x)=1
4-2 x=1 /-4
-2x=-3 /·-1
2x=3 /:2
X=1.5
Y=0,5
{6x-3y=2
{3x+2y=15 /*(-2)
{-6x-4y=-30
___________
-7y=-28 /:(-7)
y=4
6x-3*4=2
6x-12=2
6x=2+12
6x=14 /:6
x=2i1/3
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2. C)
0.5x+2y=1
Y=2-x
0.5x + 2· (2-x)=1
Y=2-x
4-2 x=1 /-4
Y=2-x
-2x=-3 /·-1
Y=2-x
2x=3 /:2
Y=2-x
X=1.5
Y=0,5
{6x-3y=2
{3x+2y=15 /*(-2)
{6x-3y=2
{-6x-4y=-30
___________
-7y=-28 /:(-7)
y=4
6x-3*4=2
6x-12=2
6x=2+12
6x=14 /:6
x=2i1/3