5-2x+4x=-x+7x-5
5-2x=6x-5
5+5=6x+2x
10=8x
10/8=x
5/4=x
20-2x=41-5x
2x+5x=41-20
7x=21
x=21/7
x=3
Explicación paso a paso:
-2x+5x=41-20
3x=21
x=21/3
X=7
2x+4x+x-7x=-5+5
6x-6x=0
=0x
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5-2x+4x=-x+7x-5
5-2x=6x-5
5+5=6x+2x
10=8x
10/8=x
5/4=x
20-2x=41-5x
2x+5x=41-20
7x=21
x=21/7
x=3
Verified answer
Explicación paso a paso:
20-2x=41-5x
-2x+5x=41-20
3x=21
x=21/3
X=7
2x+4x+x-7x=-5+5
6x-6x=0
=0x