Which equation is related to the given equation?
Column A
1.
y = 49 + 26
2.
26 = 49 – y
3.
49 – 26 = y
4.
–26 = 49 – y
Column B
A.
y – 26 = 49
B.
y + 26 = 49

- trwatkins1

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- trwatkins1

eny idea

- welshfella

add 26 to both sides of equation A
what do you get?

- welshfella

- equation A in column B

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## More answers

- trwatkins1

???

- welshfella

add 26 to both sides of the '=' sign in equation
y - 26 = 49

- welshfella

this will simplify to one of the equations in Column |A

- trwatkins1

75

- trwatkins1

i dont understand

- welshfella

- what equation do you get ?

- welshfella

y - 26 + 26 = 49 + 26

- welshfella

now simplify the left side

- trwatkins1

52-y

- welshfella

- 26 + 26 does not equal 52

- trwatkins1

oh that divide
thought it was +

- welshfella

no its a plus

- trwatkins1

and i feel dumb i forgot negetive

- trwatkins1

its 0

- welshfella

|dw:1439317359464:dw|

- welshfella

right 0
so we have
y = 49 + 26
which is one of the equations in column A

- trwatkins1

sorry my internet keeps going down due to a monsune

- welshfella

oh!!

- trwatkins1

a

- trwatkins1

or 1

- welshfella

remember you can do any operation to one side of an equation as long as you do it tio the other side as well . The equation still holds.
Its the same equation but in a different form.

- welshfella

yes equation 1

- trwatkins1

so now what

- welshfella

now if you subtract 26 from equation B you'll find its related to one or more equation in column A

- trwatkins1

ok

- trwatkins1

23

- welshfella

oh hold on equation A is also related to equation 4
take equation 4:-
-26 = 49 - y
add 26 to both sides
0 = 49 + 26 - y
add y to both sides
y = 49 + 26

- welshfella

no its not 23 - you are not looking for a number You are trying to get an equation which is in column A

- trwatkins1

???????????????????????????????????????????????????????

- welshfella

EQuation B
y + 26 = 49
y + 26 - 26 = 49 - 26
y = 49 - 26

- welshfella

now which equation in Column A is the same as this one?

- trwatkins1

3

- welshfella

Its number 3
yes
it doesn't matter which side the y is on left or right Its the same equation

- welshfella

y = 49 - 26 is same as 49 - 26 = y

- trwatkins1

yep

- welshfella

now if you manipulate equation 2 you'll find that you can get it equal to B as well

- trwatkins1

ok

- welshfella

26 = 49 - y
first add y to both sides
can you continue?

- trwatkins1

i think so

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