реши уравнения
136n-(36n+90n)=20
2x+3=11
12x*14=10
16-3x=1
27-(6x=2x)=3

136n-(36n+90n)=20136n-126n=2010n=20n= 20:10n=2_____________2x+3=112x=11-32x=8x=8:2x=4______________16-3x=13x=16-13x=15x=15:3x=5_______________

136n-(36n+90n)=2010n=20n=20/10n=22х+3=112х=11-32х=8х=8/2х=412х-14=1012х=14+1012х=24х=24/12х=216-3х=13х=16-13х=15х=15/3х=527-(6х+2х)=327-8х=38х=27-38х=24х=24/8х=3