1)5х 10 5х 10 5х - 10 5 (х - 2)
+ = - = = = 5
х - 2 2 - х х -2 х - 2 х -2 х -2
2)
6 * √ 25 * 2 6 * 5 * √2
= = 10
√9 * 2 3 * √2
3)
6 - х 8
= -х +
4 3
6 - х -3х 8
= +
4 3 3
6 - х 8 -3х
=
1)
5х 10 5х 10 5х - 10 5 (х - 2)
+ = - = = = 5
х - 2 2 - х х -2 х - 2 х -2 х -2
2)
6 * √ 25 * 2 6 * 5 * √2
= = 10
√9 * 2 3 * √2
3)
6 - х 8
= -х +
4 3
6 - х -3х 8
= +
4 3 3
6 - х 8 -3х
=
4 3
3 * (6 - х) = 4 * (8 - 3х) 18 - 3х = 32 - 12х 12х - 3х = 32 - 18 9х = 14 х = 14 / 9
2)6*√50:√18=6*√(50:18)=6*√25:9=6*5:3=30:3=10
3)6-x/4=-x+8/3
x-x/4=8/3-6
3x/4=-10/3
x=-40/9