3a-7=-13

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Solution for 3a-7=-13 equation:



3a-7=-13
We move all terms to the left:
3a-7-(-13)=0
We add all the numbers together, and all the variables
3a+6=0
We move all terms containing a to the left, all other terms to the right
3a=-6
a=-6/3
a=-2

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