Решите уравнения: x+(x+4)=10 (x+1)+(x+3)=5 x+(x+2)+(X+4)=7

х+(х+4)=10х+х+4=102х=10-42х=6х=6:2х=3(х+1)+(х+3)=5х+1+х+3=52х=5-3-12х=1х=1:2х=1/2х+(х+2)+(х+4)=7х+х+2+х+4=73х=7-4-23х=1х=1:3х=1/3

x+(x+4)=10x+x+4=102x+4=102x=10-42x=6x=6/2x=3x+(x+2)+(x+4)=7x+x+2+x+4=72x+2+x+4=73x+6=73x=7-63x=1x=1/3x=(x+1)+(x+3)=5x+1+x+3=52x+4=52x=5-42x=1x=1/2x=