10(2x-1)-9(x-2)+4(5x+8)=71
20 х - 10 - 9х +18 +20 х +32 = 71
20 х - 9 х +20 х = 71 - 32- 18 +10
31 х =31
х=1
10(2x-1)-9(x-2)+4(5x+8)=71
20 х - 10 - 9х +18 +20 х +32 = 71
20 х - 9 х +20 х = 71 - 32- 18 +10
31 х =31
х=1