Question

комектесындерш g;
1)3 (x-7)+5x
2)5 (4-3x)+8x
3)(y-4)*2+10y


4)2y+5)*4-11y
5) 4x+2 (0,5x+3)
6)6x-3 (x-7

Answer 1

3x - 21 + 5x = 8x - 21
20 - 15x + 8x = 20- 7x
2y - 8 + 10y = 12y -8
8y + 20 - 11y = -3y +20
4x + x +6 = 5x +6
6x - 3x +21 = 3x +21