10a-19=7a-4

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Solution for 10a-19=7a-4 equation: 



10a-19=7a-4

We move all terms to the left:

10a-19-(7a-4)=0

We get rid of parentheses

10a-7a+4-19=0

We add all the numbers together, and all the variables

3a-15=0

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

3a=15

a=15/3

a=5

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