12+4/9x=-20

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Solution for 12+4/9x=-20 equation:



12+4/9x=-20
We move all terms to the left:
12+4/9x-(-20)=0
Domain of the equation: 9x!=0
x!=0/9
x!=0
x∈R
We add all the numbers together, and all the variables
4/9x+32=0
We multiply all the terms by the denominator
32*9x+4=0
Wy multiply elements
288x+4=0
We move all terms containing x to the left, all other terms to the right
288x=-4
x=-4/288
x=-1/72

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