SOLUTION: Prove: If x < 11, then 3x + 5

SOLUTION: Prove: If x < 11, then 3x + 5 < 38

Question 797173: Prove: If x < 11, then 3x + 5 < 38
Found 2 solutions by luke94, Alan3354:
Answer by luke94(89) (Show Source): You can put this solution on YOUR website!
Hi there, what the questions is asking you to do is sub values less then 11 into the equation to prove it gives a value less then 38..
x = 0, 3(0) + 5 = 5
x = 1, 3(1) + 5 = 8
x = 2, 3(2) + 5 = 11
x = 3, 3(3) + 5 = 14
x = 4, 3(4) + 5 = 17
x = 5, 3(5) + 5 = 20
x = 6, 3(6) + 5 = 23
x = 7, 3(7) + 5 = 26
x = 8, 3(8) + 5 = 29
x = 9, 3(9) + 5 = 32
x = 10, 3(10) + 5 = 35
x = 11, 3(11) + 5 = 38
not sure if needed, but you should see as you use any number in the sequence the next value given will be increased by 3.
hope this helps
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Prove: If x < 11
Multiply by 3
3x < 33
Add 5
3x + 5 < 38

RELATED QUESTIONS
Prove: If x < 11, then 3x + 5 <... (answered by solver91311)
1) Prove that if 3/5 x =-9, then x=-15. 2) Prove that if 3x-2=x-8, then x=-3. 3)... (answered by Alan3354)
If 2(x � 5) = �11, then x =... (answered by jim_thompson5910)
if 3x+2=11 then what is x? (answered by ptth176)
Prove that if {{{3x^2+6=18}}} and x<0, then x=-2 is true. (answered by jim_thompson5910)
If |x-6|+|x-5|+|x-4|+...+|x+5|+|x+6|= m ,then m = ... [ 36 ,38 ,40 ,42 ,44... (answered by ikleyn)
prove that if x^5=x^4+1, then... (answered by Edwin McCravy)
Determine whether each statement is true or false. Show your solution to prove your... (answered by MathLover1)
If 3x=2(5−2x), then x... (answered by josgarithmetic)