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r-ruslan [8.4K]
2 years ago
5

How do I solve: m-77 = 222

Mathematics
2 answers:
SashulF [63]2 years ago
6 0

m= 299

m-77=222 can be solved by isolating the variable. In this case, our variable is m. We can isolate it by undoing whatever term is with it on that side.

m-77 is what we have on the left side of the equation. The opposite of subtraction is addition, so we can add 77 to both sides of the equation, therefore moving it over

m-77=222

  +77  +77

m= 222+77

Now, we have m=222+77. We can now simplify the right side of the equation by adding 222+77.

m=222+77

m=299

Now we have our answer! Hope this helped!

Alona [7]2 years ago
3 0

Answer:

m = 299

Step-by-step explanation:

When isolating variables, you must do the same thing to both sides of the equation. To isolate "m", you must add 77 to both sides.

m - 77 = 222                          <----- Original equation
   +77     +77                          <----- Add 77 to both sides

m + 0 = 299                           <----- Resulting equation

m = 299                                 <----- Rewrite

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