Răspuns :
5(x-3)-2(x-7)=1(2x+6)/:5
X-3-2(x&7)=5:1*2x+6
X-1(x-7)=5•2x+6
X-1x-7=10x+6
2x-6=x/-6
2x=x/:x
2=x
5(x-3)-2(x-7)=7-7(2x+6)=
5x-15-2x+14=7-14x-42
3x-1=-35-14x
3x+14x=-35+1
17x=-34
x=[tex] \frac{-34}{17} [/tex]
5x-15-2x+14=7-14x-42
3x-1=-35-14x
3x+14x=-35+1
17x=-34
x=[tex] \frac{-34}{17} [/tex]