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
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