10a-7+9a=19a-7

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Solution for 10a-7+9a=19a-7 equation: 



10a-7+9a=19a-7

We move all terms to the left:

10a-7+9a-(19a-7)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

19a-19a+7-7=0

We add all the numbers together, and all the variables

=0

a=0/1

a=0

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