8=2(x+9)

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


Simplifying
8 = 2(x + 9)

Reorder the terms:
8 = 2(9 + x)
8 = (9 * 2 + x * 2)
8 = (18 + 2x)

Solving
8 = 18 + 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.
8 + -2x = 18 + 2x + -2x

Combine like terms: 2x + -2x = 0
8 + -2x = 18 + 0
8 + -2x = 18

Add '-8' to each side of the equation.
8 + -8 + -2x = 18 + -8

Combine like terms: 8 + -8 = 0
0 + -2x = 18 + -8
-2x = 18 + -8

Combine like terms: 18 + -8 = 10
-2x = 10

Divide each side by '-2'.
x = -5

Simplifying
x = -5

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