Equation x-10x + 20 = 0

Equation x-10x + 20 = 0


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x+20=10x
9x=20
x=9/20
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How to solve the equation (2x-10) - x = 62


Open bracket 2x-10-x = 62
Move to 2x-x = 62 + 10
Merge congeners x = 72



How to solve the equation of 2.2x-1 = 10?


2.2x=10+1
2.2x=11
x=5