1202, Упростите выражение:
1) 3 (x + 5) + 4x; 3)9 (x - 7) + 6x;
2) 8 (71x) - 3x; 4) 5 (X + 8) - 11;
5) 2 (13 + x) - 15;
6) 6 (x + 5) + 2x.
1) 3 (x + 5) + 4x; 3)9 (x - 7) + 6x;
2) 8 (71x) - 3x; 4) 5 (X + 8) - 11;
5) 2 (13 + x) - 15;
6) 6 (x + 5) + 2x.
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Answers & Comments
1) 3(x+5)+4x
3x+10+4x
7x+10
2) 8(7+x)-3x
56+8x-3x
56+5x
5) 2(13+x)-15
26+2x-15
11+2x
6) 6(x+5)+2x
6x+30-2x
8x+30