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drugie rownanie ;
3(2x-5)-4(3y+4)=5
6x-15-12y-16=5
6x-12y=5+16+15
-6xy=36|:(-6)
xy=-6
3(2x-5)-4(3y+4)=5
6x-15-12y-16=5
6x-12y=5+16+15
-6xy=36|:(-6)
xy=-6
(x+1)/( 2y+2)=6 /*( 2y+2)
3(2x-5)-4(3y+4)=5
(x+1)=6( 2y+2)
6x-15-12y-16=5
x+1=12y+12
6x-12y=5+31
x=12y+11
6(12y+11)-12y=36
x=12y+11
72y+66-12y=36
x=12y+11
60y=36-66
x=12y+11
60y=-30
x=12y+11
y=-1/2
x=12*(-1/2)+11
y=-1/2
x=-6+11
y=-1/2
x=5
y=-1/2
3(2x-5)-4(3y+4)=5
(x+1)=6( 2y+2)
6x-15-12y-16=5
x+1=12y+12
6x-12y=5+31
x=12y+11
6(12y+11)-12y=36
x=12y+11
72y+66-12y=36
x=12y+11
60y=36-66
x=12y+11
60y=-30
x=12y+11
y=-1/2
x=12*(-1/2)+11
y=-1/2
x=-6+11
y=-1/2
x=5
y=-1/2
(x+1)/(2y+2)=6 /*(2y+2)
3(2x-5)-4(3y+4)=5
x+1=6(2y+2)
6x-15-12y-16=5
x+1=12y+12
6x-12y=36
x-12y=12-1
6x-12y=36
x-12y=11 /*(-1)
6x-12y=36
-x+12y=-11
6x-12y=36
5x=25 /:5
6x-12y=36
x=5
6*5-12y=36
x=5
30-12y=36
x=5
-12y=36-30
x=5
-12y=6 /:(-12)
x=5
y=-1/2
3(2x-5)-4(3y+4)=5
x+1=6(2y+2)
6x-15-12y-16=5
x+1=12y+12
6x-12y=36
x-12y=12-1
6x-12y=36
x-12y=11 /*(-1)
6x-12y=36
-x+12y=-11
6x-12y=36
5x=25 /:5
6x-12y=36
x=5
6*5-12y=36
x=5
30-12y=36
x=5
-12y=36-30
x=5
-12y=6 /:(-12)
x=5
y=-1/2