4m+3n-7m+5n=
a²b-3ab²-ab²+a²b+5a²b²=
4xy+2xz-3xz+5xz-yz=
3x+2-5x+4-2x+1
2-4x=3-5x
ayudaaaaaaaaaaaaaaa
a²b-3ab²-ab²+a²b+5a²b²=
4xy+2xz-3xz+5xz-yz=
3x+2-5x+4-2x+1
2-4x=3-5x
ayudaaaaaaaaaaaaaaa
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4m+3n-7m+5n=
−3m+8n
a²b-3ab²-ab²+a²b+5a²b²=
5a²b²+3a²b+-4ab²
4xy+2xz-3xz+5xz-yz=
1×y + 7×z - yz
3x+2-5x+4-2x+1=
−4×+7
2-4x=3-5x=
×=1