-9+2(x+6)=20

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Solution for -9+2(x+6)=20 equation:


Simplifying
-9 + 2(x + 6) = 20

Reorder the terms:
-9 + 2(6 + x) = 20
-9 + (6 * 2 + x * 2) = 20
-9 + (12 + 2x) = 20

Combine like terms: -9 + 12 = 3
3 + 2x = 20

Solving
3 + 2x = 20

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 2x = 20 + -3

Combine like terms: 3 + -3 = 0
0 + 2x = 20 + -3
2x = 20 + -3

Combine like terms: 20 + -3 = 17
2x = 17

Divide each side by '2'.
x = 8.5

Simplifying
x = 8.5

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