3+2a-4=-7

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Solution for 3+2a-4=-7 equation:



3+2a-4=-7
We move all terms to the left:
3+2a-4-(-7)=0
We add all the numbers together, and all the variables
2a+6=0
We move all terms containing a to the left, all other terms to the right
2a=-6
a=-6/2
a=-3

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