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7-20x*4=-128+27
We move all terms to the left:
7-20x*4-(-128+27)=0
We add all the numbers together, and all the variables
-20x*4+7-(-101)=0
We add all the numbers together, and all the variables
-20x*4+108=0
Wy multiply elements
-80x+108=0
We move all terms containing x to the left, all other terms to the right
-80x=-108
x=-108/-80
x=1+7/20
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