9a-3ª+5a
9ª+5ª =+14a
-3ª= -3a
+14ª-3ª = + 11a
-8x +9x -x
-8x-x= -9x
+9x=+9x
+9x-9x=x
12mn-23mn-5mn
12mn=12mn
-23mn-5mn=-28mn
-28mn+12mn= -16mn
-x+19x-18x
-x-78x=-19x
+19x=+19x
-19x+19x=x
19m-10m+6m
19m+6m=+25m
-10m = -10m= 0m
-11ab-15ab+26ab
-11ab-15ab=-26ab
+26ab=+26ab =ab
-5ax+9ax-36ax
-5ax-36ax=-40ax
+9ax=+9ax
-40ax+9ax=-37ax
-24ax+2_15ax
-24ax+2-15ax+2=-39ax+2
+29ax+2=+39aX+2=ax+2
2/3y1/3y-y
2/3y+1/3y= 6+3/9=9/9y
+9/9-1/1y= 9+9/9=y
-3/5m+1/4m-1/2m25x
-2/5m-1/2m=-6+5/10=-11/10m
-11/10m+1/4m=-22+5/20=-17/20m
3/8ab+1/4ª2b-a2b-a2b
3/8a2b+1/4a2b=-12/32a2b
12/32-1/1a2b 32x12/32= 12/32
-a+8a+9a-15a
-a-15a=-16a
8a+9a=+17a
16a+17=+1a
7ab-11ab+20ab-31ab
7ab+20ab=+27ab
11ab-31ab=-42ab=-15
25x2-50x2+11x2+14x2
25x2+11x2+14x2=+50x2
-50x2-50x2=0
-xy-8xy-19xy+40xy
+40xy=+40xy
Xy-8xy-19xy=-11xy= 51 xy
-25xy2-82xy2=-57xy2
-25xy2-82xy2=-57xy2
+11xy2+60xy2=+70xy2=+13xy2
-72ax+87ax—101ax+243ax
-72ax-101ax=-173ax
+87ax+243ax=330ax=+157ax
-82bx-71bx-53bx+206bx
-82bx-71bx-53bx
+206bx=+206bx=0
105ª3-464ª3+58ª3+307ª3
105a3+58a3+301=+464a3
-464a3=0
1/2x-1/3x+1/4x-1/5x
½+1/4=2+4/8=6/8x
-1/3-1/5=-3-5/16=8/16
Ejercicio 10
7a-9b+6a-4b
7a+6a=+13a
-9b-4b=-13b
13a-13b
a+b-c-c+2c-a
a-a=0
b-b =0
-c-c+2c=-c-c+2c
=0
5x_11y-9+20 x-1-y
5x+20x=25x
11y-y=12y
-9-1=10
25x-12y-10
4*-6m+8n+5-m-n-6m-11
-6m-m-6m=-13m
+8n-n=+7n
+5-11-6
-13m+7n-6
-a+b2b-2c+3ª+2c-3b
-a+3=-2ª
+b-2b-3b=0
-2c+2c=0
-2a-0-0
-81x+19y-30z+6y+80x+x-25y
-81x+80xtx=-0x
+19y+6y-25y=0y
-30z=-30z
-0x+0y-30z
15ª2-6ab-8ª2+205ab-31-a2-ab
15ª2-8ª2+a2=8ª2
-6ab-5ab-ab=-12ab
+20-31=-11
8a2-12ab-11
-3a+4b-6a+81b-114b+31a-a-b
-3a-6a-114b-a-b=-22ab
+20-31=-11
8a2-12ab-11
-71a3b-84a4b2+50a3b+84a4b2-45a3b+18a3b
-71a3b-84a4b2-45a3b=-200a3b
+50a3b+84a4b2+18a3b=+152a3b
-200a3b+152a3b
a+b-c+8+2a+2b-19-2c-3a-3-3b+3c
a +2a-3a=2a
b+2a+2b-3b=2b
-c-2c+3c=+6b
8-19-3=-14
+2a-2b+6b-14
m2+17mn-14m2-65mn+m3-m2-115m2+6m
-14m2-65mn-m2-115m2=-195m2
M2 +17mn+m3+6m3=+25m3
-195m2+25m3
x4y-x3y2+x2y-8x4y-x2y-10+x3y2-7x3y2-9+21x+y-y3+50
-x3y2-8x4y-x2y-7x3y2-9-y3
+x2y+x3y2+21x+y+50
5ax+1-3bx+2-8cx+3-5ax+1-50+4b+2-65-bx+2+90+cx+3+7x+3
-3bx-8cx-5ax-50-65-bx=-126bx
5ax+1-2-8cx+3-5ax+1+4b+2+2+90+cx+3+7cx+3=+121
-126bx+121ax
am+2-xm+m+5+8-3am+2+5m+3-6+am+2-5xm+3
-Xm-5-3m-6-5xm=-9xm
Am+3-5+8-3am+2+5+3+am+2+3+=+26am
-9xm+26am
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