20x-x(8-9)+35=140

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Solution for 20x-x(8-9)+35=140 equation: 



20x-x(8-9)+35=140

We move all terms to the left:

20x-x(8-9)+35-(140)=0

We add all the numbers together, and all the variables

20x-x(-1)+35-140=0

We add all the numbers together, and all the variables

20x-x(-1)-105=0

We multiply parentheses

20x+1x-105=0

We add all the numbers together, and all the variables

21x-105=0

We move all terms containing x to the left, all other terms to the right

21x=105

x=105/21

x=5

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