Answer:
<h2>8 or -8</h2>
Step-by-step explanation:
The absolute value of number a:
|a| = a for a ≥ 0
|a| = -a for a < 0
|a| = 8 ⇔ a = 8 or a = -8
Answer:
(2,11)
Step-by-step explanation:
what i did was actually substitution
It's like ..what I do when I've forgotten how to solve a particular equation in math or even physics
But I'd recommend you find the real solution cuz there's a formula
Answer:
see explanation
Step-by-step explanation:
Given
2z + 4 ≤ - 2 ( subtract 4 from both sides )
2z ≤ - 6 ( divide both sides by 2 )
z ≤ - 3
solution is x ∈ ( - ∞, - 3 ]
The parenthesis on the left means that x cannot equal - ∞
The ] on the right means that x can equal - 3
Sorry
Explanation: I don’t see how this is math