Упростите выражение:1) 11m+17m-30m 2) 2*(8-3x)+26x-7
1)11m + 17m - 30m = 28m - 30m = -2m. 2)2 (8 - 3x) + 26x - 7 = 16 - 6x + 26x - 7 = 20x + 9.
11m+17m-30m=28m-30m=-2m 2*(8-3x)+26x-7=16-6x+26x-7=9+20x
Там (8-3х)