2-1(4-x)=9

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Solution for 2-1(4-x)=9 equation:


Simplifying
2 + -1(4 + -1x) = 9
2 + (4 * -1 + -1x * -1) = 9
2 + (-4 + 1x) = 9

Combine like terms: 2 + -4 = -2
-2 + 1x = 9

Solving
-2 + 1x = 9

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 1x = 9 + 2

Combine like terms: -2 + 2 = 0
0 + 1x = 9 + 2
1x = 9 + 2

Combine like terms: 9 + 2 = 11
1x = 11

Divide each side by '1'.
x = 11

Simplifying
x = 11

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