identify solution set for 4-x+1
Answers
Answered by
0
Step-by-step explanation:
∣4−x∣+1<3
⇒4−x+1<3
Add −4 and −1 on both sides, we get
4−x+1−4−1<3−4−1
⇒−x<−2
Multiply both sides by −1, we get
x>2
Also,
∣4−x∣+1<3
⇒−(4−x)+1<3
⇒−4+x+1<3
Add 4 and −1 on both sides, we get
−4+x+1+4−1<3+4−1
⇒x<6
Thus, x∈(2,6).
Similar questions