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

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


Simplifying
7x + -1[4 + -2(2x + -9)] = 0

Reorder the terms:
7x + -1[4 + -2(-9 + 2x)] = 0
7x + -1[4 + (-9 * -2 + 2x * -2)] = 0
7x + -1[4 + (18 + -4x)] = 0

Combine like terms: 4 + 18 = 22
7x + -1[22 + -4x] = 0
7x + [22 * -1 + -4x * -1] = 0
7x + [-22 + 4x] = 0

Reorder the terms:
-22 + 7x + 4x = 0

Combine like terms: 7x + 4x = 11x
-22 + 11x = 0

Solving
-22 + 11x = 0

Solving for variable 'x'.

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

Add '22' to each side of the equation.
-22 + 22 + 11x = 0 + 22

Combine like terms: -22 + 22 = 0
0 + 11x = 0 + 22
11x = 0 + 22

Combine like terms: 0 + 22 = 22
11x = 22

Divide each side by '11'.
x = 2

Simplifying
x = 2

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