the numbers on two consecutively numbered gym lockers have a sum of 135. what are the locker numbers?

Question

welshfella · Answer

n + (n + 1) = 135

solve for n

pphalke · Answer

how do i do that

photon336 · Answer

Consecutive means that each term is increased by one. 

so two consecutive numbers, just a fancy way of saying 1 more than. 

the first number would be n 

the second would be n+1 

these two are consecutive because they differ by 1. 

so the sum 

n+(n+1) = 135

photon336 · Answer

@pphalke

pphalke · Answer

how do i solve this @Photon336

photon336 · Answer

can you try to do it first then ill guide you

photon336 · Answer

you need to combine like terms. 

n+n+1 = 135

pphalke · Answer

2n+1=135

pphalke · Answer

then i subtract from 1 and get 134

welshfella · Answer

ok now subtract 1 from both sides

welshfella · Answer

yea
now divide both sides by 2

pphalke · Answer

n equals 67

welshfella · Answer

correct

pphalke · Answer

the locker numbers are 67 and 68

welshfella · Answer

so thats the first locker number . What's the one next to it?

welshfella · Answer

yes