−1/2(x+2)+11/2x=3 -1/2x-1+11/2x=3 -1/2x+11/2x-1=3 5x-1=3 5x=3+1 5x=4 X=4/5 To check you substitute and needs to equal both sides −1/2(4/5+2)+11/2(4/5)=3 -7/5+22/5=3 -7+22/5=3 15/5=3 3=3 it check
Answer:
Step-by-step explanation:
5x - 9 ≤ 21
5x ≤ 30
x ≤ 6
y=58°
calculator
option b
x = -3 (Not possible)
x = 5
So, x = 5