1. 7(2x-3)+4(3x-2)= 14х - 21 + 12х - 8 = 26х - 29
2. -2(4x+83)-3(5x-1)= -8х - 166 - 15х + 3 = -23х - 163
3. 2(3x-11)-5(3x-4)= 6х - 22 - 15х + 20 = -9х - 2
4. 0.2(6x-5)-4(0.2x-2)= 1,2х - 1 - 0,8х + 8 = 0,4х + 7
5. 0.4(1.5x+3)-2.5(3-0.6)= 0,6х + 1,2 - 7,5 + 1,5 = 0,6х - 4,8