4(7-a)+9a=43

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Solution for 4(7-a)+9a=43 equation: 



4(7-a)+9a=43

We move all terms to the left:

4(7-a)+9a-(43)=0

We add all the numbers together, and all the variables

4(-1a+7)+9a-43=0

We add all the numbers together, and all the variables

9a+4(-1a+7)-43=0

We multiply parentheses

9a-4a+28-43=0

We add all the numbers together, and all the variables

5a-15=0

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

5a=15

a=15/5

a=3

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