X-1-5x=-21

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Solution for X-1-5x=-21 equation:



X-1-5X=-21
We move all terms to the left:
X-1-5X-(-21)=0
We add all the numbers together, and all the variables
-4X+20=0
We move all terms containing X to the left, all other terms to the right
-4X=-20
X=-20/-4
X=+5

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