Question

Решите неравенство 9x+1> или равно 8x+3

Answer 1

9x+1>8x+3
9x-8x>3-1
x>2
x∈(2;∞)

Answer 2

9x+1≥8x+3     /-8x
9x-8x+1≥8x-8x+3
x+1≥3         /-1
x+1-1≥3-1
x≥2
x∈/2,+∞)