Решите уравнения: 1) 5x+(3-2x)=14 2) 7x-(8x+4)=-3 - вопрос №857080315321427843343563424 от Elizaveta544435 29.11.2020 23:09

Question

Алгебра: Решите уравнения: 1) 5x+(3-2x)=14 2) 7x-(8x+4)=-3 3) 4-3(5x-6)=-3x 4) 2(4x+6)-5x=10

Elizaveta544435 · Answer

5х + (3 – 2х) = 145х + 3 – 2х = 143х + 3 = 143х = 14 – 33х = 11х = 11 : 3х = 11/37х – (8х + 4) = – 37х – 8х – 4 = – 3– х – 4 = – 3– х = – 3 + 4– х = 1х = – 14 – 3(5х – 6) = – 3х4 – 15х + 18 = – 3х22 – 15х = – 3х– 15х + 3х = – 22– 12х = – 22х = 11/62(4х + 6) – 5х = 108х + 12 – 5х = 103х + 12 = 103х = 10 – 123х = – 2х = – 2/3...