math, beginning algebra
posted by jasmine20 .
how do you solve this i've tried many ways and i always get stuck.
4(2x  3 ) = 8x + 5
you use 4x times 2x first, then you times 3. so you have (8+12)=8x+5. you know 8+12 is 4, so the equation becomes 4=8x+5. so x is probably a negative number. so 4=5+8x and then you know 45=8x. 1=8x, so x is 1/8. i think that's the answer.
opps. i think i missed the x. is there even an answer?
4*2x=8x
4*3=12 so
8x12=8x+5
Adding 8x to each side gives
8x+8x12=8x+8x+5
0x12=0x+5
So the x term cancels and this equation has no solution.Obviously 12 does not equal +5.
I hope this helps.
Oy! 2 mistakes in the responses(It's ok...we all make mistakes) Ultimately, there is no answer. BUT...
4 (2x3) = 8x +5
8x + 12 = 8x +5
The 8x's cancel each other out. So Dr. Bob's response should say
"Obviously +12 does not equal +5"
Bob's right: There's no solution.

durrrr
Respond to this Question
Similar Questions

algebra
I have been working this one for awhile and have become more confused. Please assist. Problem: Find two consecutive odd integers such that 5 times the first interger is 12 more than 3 times the second. The key thing is to realize that … 
calculus
I am studying for a final exam and in our review packet we have this question, which I am having trouble with: lim (x>0) ((e^x)+x)^(1/x) I tried this problem two ways. The first was with L'Hopitals rule... lim(x>0) (1/x)((e^x)+x)^(1/x1) … 
math
you just got home from school and pick up your phone.you always use 5 7 and 9 for speedial.the records of those numbers are:5 dialed 6 times.7 dialed 9 times.9 dialed 3 times. which speedial number is the mode. 
Algebra
I have this math probelm z(3z)/(2z)=(6)/(z2) in my book it says to solve the equation. I have worked this problem many times and I keep comming up with different answers. When I use an online calculator to check my work it is giving … 
Algebra
55=6xx5? I have tried this equation so many times and I cant solve it. 
math question
/how do i solve this? The probability of winning a game is 15%. If you play 20 times,how many times should you expect to win? 
Math
a standard number cube is rolled 180 times. Predict how many times a 3 or 5 will be the result. 31 times 60 times 57 times 30 times I chose 31 times Is that correct i would appreciate your help 
algebra
Please help I have tried this question so many times: I cannot type out the exponents because my keyboard does not allow so I'll have to write it in verbal form I'm sorry. What is the simplified form of 9 m to the power of negative … 
Data Management
Q: A coin is tossed 9 times. How many ways could the result be 6 heads and 3 tails? 
PreAlgebra
A fair number cube, numbered 1 though 6 is rolled 200 times. About how many times can it be expected to on the number 4?