Раскройте скобки и приведите подобные слагаемые 5m-(3m+5)+(2m-4) -5(x+3)+4(x-2)-...

November 2021 2 75 Report

Раскройте скобки и приведите подобные слагаемые
5m-(3m+5)+(2m-4)
-5(x+3)+4(x-2)-6(2x+1)
0.2(6x-5)-4(0.2x-2)

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5m - (3m + 5) + (2m - 4) = 5m - 3m - 5 + 2m - 4 = 4m - 9
-5(x + 3) + 4(x - 2) - 6(2x + 1) = -5x - 15 + 4x - 8 - 12x - 6 = -13x -29
0,2(6x - 5) - 4(0,2x - 2) = 1,2x - 1 - 0,8x + 8 = 0,4x + 7

2 votes Thanks 3

YourDearMary

Verified answer

1)5m-(3m+5)+(2m-4)=5m-3m-5+2m-4=4m-9
2)-5(x+3)+4(x-2)-6(2x+1)=-5x-15+4x-8-12x-6 =-13x-29
3)0.2(6x-5)-4(0.2x-2)=1,2x-1-0,8x+8 =0,4x+7

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