5-a=2a-4

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Solution for 5-a=2a-4 equation: 



5-a=2a-4

We move all terms to the left:

5-a-(2a-4)=0

We add all the numbers together, and all the variables

-1a-(2a-4)+5=0

We get rid of parentheses

-1a-2a+4+5=0

We add all the numbers together, and all the variables

-3a+9=0

We move all terms containing a to the left, all other terms to the right

-3a=-9

a=-9/-3

a=+3

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