math
posted by BRYANNA .
whats 2y+3(4y)=125y?
2Y+(123Y)=125y
5Y+12=125Y
0=0
i do not like reading but now i am sleepy all day and need help with my reading homework
as Maricela showed, the left side = right side.
So it is an identity and true for any value of y you choose.
Respond to this Question
Similar Questions

algrebra 2
it is called completing the square here is the equation 4x^24x+1=9 if anyone can help me please do okay i really need ot understand this 4x^24x+1=9 Move the numbers to the other side. 4x^2 4x = 91 4x^2 4x = 8 Now factor out 4 … 
proof by mathematical induction
subject is PreCalulus. 2^(k+3) = and < (k+3)! i know how to do proving using mathematical induction when its just an equal sign, but I don't understand what to do when its an inequality. thank you!!! Here is what I would do Step … 
Algebra1
how do i sove this problem 12q+4=8q6 12+4=8q6 First you want to get the variable isolated on one side. To do that, you can do one of two things. We'll put the variable on the right side. You need to put the 12q on the right. Do … 
algebra
I cant get this one nither I tried like 4 times to get right answer. 5x+123x=2x13x x=5 5x+123x=2x13x First, let's get the unknowns on one side of the equation and the knowns on the other side. 5x  3x + 2x + x = 12  13 5 … 
Math
Mr Shen wished to enter the orange kite competition with an innovative kite of his own design. He did tests that showed an irregular quadrilateral design was best. The longest side (A) was twice the length of the shortest side (C). … 
math
The scale balanced when n+20=80 Suppose the left side becomes n+3 How can I change the right side so that n+3=____ is equivalent to n+20=80 How can I change the right side to get an equivalent equation my choices are A. Add blank to … 
Math: Intro to Vectors
Left side = right side check type of question. x  (x + y)/2 = (x  y)/2 What I did was times the x in the left side by 2. I got: =(2xx+y)/2 which equals =(x+y)/2 But the left side is (xy)/2. What am I doing wrong? 
Math
Four balances are shown where the two sides of each contain exactly the same amount of weight. The first balance has 4 squares, 1 triangle and 1 ball on the left side, right side has 2 diamonds. The second balance has 1 triangle and … 
Math(Please Help Assignment Due Today)
Four balances are shown where the two sides of each contain exactly the same amount of weight. The first balance has 4 squares, 1 triangle and 1 ball on the left side, right side has 2 diamonds. The second balance has 1 triangle and … 
Algebra
(x/x2)+(x1/x+1)=1 So far I was able to get it to x + (x1) = (x2)(x+1) through cross multiplying, but I'm kinda lost with what to do now. Should I convert the right side to a polynomial and add the left side, then bring it all …