2a+9=7a=4

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Solution for 2a+9=7a=4 equation:



2a+9=7a=4
We move all terms to the left:
2a+9-(7a)=0
We add all the numbers together, and all the variables
-5a+9=0
We move all terms containing a to the left, all other terms to the right
-5a=-9
a=-9/-5
a=1+4/5

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