90=69+(2x-1)

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Solution for 90=69+(2x-1) equation:


Simplifying
90 = 69 + (2x + -1)

Reorder the terms:
90 = 69 + (-1 + 2x)

Remove parenthesis around (-1 + 2x)
90 = 69 + -1 + 2x

Combine like terms: 69 + -1 = 68
90 = 68 + 2x

Solving
90 = 68 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
90 + -2x = 68 + 2x + -2x

Combine like terms: 2x + -2x = 0
90 + -2x = 68 + 0
90 + -2x = 68

Add '-90' to each side of the equation.
90 + -90 + -2x = 68 + -90

Combine like terms: 90 + -90 = 0
0 + -2x = 68 + -90
-2x = 68 + -90

Combine like terms: 68 + -90 = -22
-2x = -22

Divide each side by '-2'.
x = 11

Simplifying
x = 11

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