There is my answer would be minus 3, so let's write down so it would So the way the numbers on your is - when the result it would always be minus. It will become minus what we will use the greater number sign. Let's solve for S is 1 x 1 x minus four x over 1 minus 4 will be minus 3 and why have I done - three whenever we do a teacher's role.
Whats 7 years from now plus#
This is plus when it comes on the right hand side will become - so you're going to write minus 15. X minus 4X is equal to we are going to take the constant rate is the number on the right hand side when it comes on the right hand side. It is plus when it comes on the left side, it becomes - so you're going to write. So you could be heads and your this point will come on the left-hand side. So as I said earlier, we need to take as a big education or the left hand side. That means this is the minus will become Plus or plus will become - so let's look at some let's first open the bracket X plus 15 is equal to 4X. This is minus minus plus plus minus minus minus plus minus and plus plus plus so we also need to remember whenever we are transposing the numbers on the right hand side the sign changes. Also, we need to remember whenever we are changing the left-hand side to the right-hand side. And the constant that is the number on the right hand side. So whenever you're solving a soft, we always keep the variables or the algebraic expression on the left-hand side. There are talks like the LHS and rhs left hand side and right hand side. Let us write first.įo X is present age that means buildi means is equal to so let us write the equal to 4 times is present is that we have taken as 4 x so our linear equation is X plus 15 is equal to four x now, we will use transpose method in transpose method. Wh so let us first take this statement 15 years from now 15 years from now. So wh will become four times that means phone in to present data is X so for X now according to the problem 15 years from now. Now according to the second statement is the bees 8 will be four times his presentation fo X means for X is presented. So in mockery later means addition so is eight would be X plus 50. He's it will become he's got a date alexios 15 years later. So let's write down let Robbie's present age the exhales.
So you're in this somehow, let's taik rubbish present 8px years. That means we use letters from English alphabets like XYZ as a variable. Whenever we don't know the value of something we use as a recognition. What is love he's present age in this some we don't know his age. "Dear students, let's understand the question 15 years from now ravi's age will be 4 times is present age.
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