2(x+40)=8x+9

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Solution for 2(x+40)=8x+9 equation:


Simplifying
2(x + 40) = 8x + 9

Reorder the terms:
2(40 + x) = 8x + 9
(40 * 2 + x * 2) = 8x + 9
(80 + 2x) = 8x + 9

Reorder the terms:
80 + 2x = 9 + 8x

Solving
80 + 2x = 9 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
80 + 2x + -8x = 9 + 8x + -8x

Combine like terms: 2x + -8x = -6x
80 + -6x = 9 + 8x + -8x

Combine like terms: 8x + -8x = 0
80 + -6x = 9 + 0
80 + -6x = 9

Add '-80' to each side of the equation.
80 + -80 + -6x = 9 + -80

Combine like terms: 80 + -80 = 0
0 + -6x = 9 + -80
-6x = 9 + -80

Combine like terms: 9 + -80 = -71
-6x = -71

Divide each side by '-6'.
x = 11.83333333

Simplifying
x = 11.83333333

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