20x+x-1=146

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Solution for 20x+x-1=146 equation:


Simplifying
20x + x + -1 = 146

Reorder the terms:
-1 + 20x + x = 146

Combine like terms: 20x + x = 21x
-1 + 21x = 146

Solving
-1 + 21x = 146

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '1' to each side of the equation.
-1 + 1 + 21x = 146 + 1

Combine like terms: -1 + 1 = 0
0 + 21x = 146 + 1
21x = 146 + 1

Combine like terms: 146 + 1 = 147
21x = 147

Divide each side by '21'.
x = 7

Simplifying
x = 7

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