10-a=7-4a=3

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Solution for 10-a=7-4a=3 equation: 



10-a=7-4a=3

We move all terms to the left:

10-a-(7-4a)=0

We add all the numbers together, and all the variables

-a-(-4a+7)+10=0

We add all the numbers together, and all the variables

-1a-(-4a+7)+10=0

We get rid of parentheses

-1a+4a-7+10=0

We add all the numbers together, and all the variables

3a+3=0

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

3a=-3

a=-3/3

a=-1

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