Question

x−8≥4
x=?
please explain how you got the answer

Answer 1

Answer:

$x \geqslant 12$

Step-by-step explanation:

$x - 8 \geqslant 4$

Move the constant to the right-hand side and change its sign

$x \geqslant 4 + 8$

Add the numbers

$x \geqslant 12$

Alternate form

x∈[12 , +  ∞》