Срочно -2-2(-1+8x)<5x-3

Question

Срочно -2-2(-1+8x)<5x-3

Answer 1

-2 - 2(-1 + 8x) < 5x - 3
-2 + 2 - 16x < 5x - 3
-16x < 5x - 3
-16x - 5x < -3
-21x < -3
21x > 3
x > 3/21
x > 1/7
Ответ: x ∈ (1/7; +∞).

Answer 2

-2-2(-1+8x)<5x-3<br>-2+2-16x<5x-3<br>5x+16x>3
21x>3
x>1/7
x∈(1/7;∞)