8-(4-x)=9

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Solution for 8-(4-x)=9 equation: 


Simplifying
8 + -1(4 + -1x) = 9
8 + (4 * -1 + -1x * -1) = 9
8 + (-4 + 1x) = 9

Combine like terms: 8 + -4 = 4
4 + 1x = 9

Solving
4 + 1x = 9

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 1x = 9 + -4

Combine like terms: 4 + -4 = 0
0 + 1x = 9 + -4
1x = 9 + -4

Combine like terms: 9 + -4 = 5
1x = 5

Divide each side by '1'.
x = 5

Simplifying
x = 5

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