9(10x-1)+1=20

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Solution for 9(10x-1)+1=20 equation:


Simplifying
9(10x + -1) + 1 = 20

Reorder the terms:
9(-1 + 10x) + 1 = 20
(-1 * 9 + 10x * 9) + 1 = 20
(-9 + 90x) + 1 = 20

Reorder the terms:
-9 + 1 + 90x = 20

Combine like terms: -9 + 1 = -8
-8 + 90x = 20

Solving
-8 + 90x = 20

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 90x = 20 + 8

Combine like terms: -8 + 8 = 0
0 + 90x = 20 + 8
90x = 20 + 8

Combine like terms: 20 + 8 = 28
90x = 28

Divide each side by '90'.
x = 0.3111111111

Simplifying
x = 0.3111111111

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