2x-9=7-(4-x)

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Solution for 2x-9=7-(4-x) equation:


Simplifying
2x + -9 = 7 + -1(4 + -1x)

Reorder the terms:
-9 + 2x = 7 + -1(4 + -1x)
-9 + 2x = 7 + (4 * -1 + -1x * -1)
-9 + 2x = 7 + (-4 + 1x)

Combine like terms: 7 + -4 = 3
-9 + 2x = 3 + 1x

Solving
-9 + 2x = 3 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-9 + 2x + -1x = 3 + 1x + -1x

Combine like terms: 2x + -1x = 1x
-9 + 1x = 3 + 1x + -1x

Combine like terms: 1x + -1x = 0
-9 + 1x = 3 + 0
-9 + 1x = 3

Add '9' to each side of the equation.
-9 + 9 + 1x = 3 + 9

Combine like terms: -9 + 9 = 0
0 + 1x = 3 + 9
1x = 3 + 9

Combine like terms: 3 + 9 = 12
1x = 12

Divide each side by '1'.
x = 12

Simplifying
x = 12

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