Решите уравнения: 5×(2x+3)-3(4-x)=3 1/2×(2-x)+3/4(x-1)=1/12 - вопрос №986942752334312234111214312 от marsimkozyrev 09.10.2021 01:10

Question

Математика: Решите уравнения: 5×(2x+3)-3(4-x)=3 1/2×(2-x)+3/4(x-1)=1/12 1/4×(3x+1)+2(1/2-x) =2

marsimkozyrev · Answer

5×(2x+3)-3(4-x)=310х+15-12+3х=313х=3-3х=01/2×(2-x)+3/4(x-1)=1/121-1/2х+3/4х-3/4=1/121/4х=-1/6х=-2/31/4×(3x+1)+2(1/2-x) =23/4х+1/4+1-2х=2-1 1/4х=3/4-5/4x=3/4х=-3/5...