A.2-a=-(a-2) | B.(a-b)3=(b-a)3 | C.-m-n=-(m+n) | D.(a-b)2=(b-a)2 |
A.3x4+5x4=8x4 | B.4x6-8x6=-4 |
C.-3x3+5x3=2x3 | D.4x6-8x6=-4x6 |
3 |
4 |
4 |
3 |
A.-3 | B.0 | C.3 | D.6 |
A.-2(x-2)=-2x-4 | B.5(x+1)-x=5x+1-x |
C.6x+(7-2x)=6x-7+2x | D.2(x+2)-(x-1)=2x+4-x+1 |
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