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

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Solution for 7x-2(2x-4)-x+1= equation:


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

Reorder the terms:
7x + -2(-4 + 2x) + -1x + 1 = 0
7x + (-4 * -2 + 2x * -2) + -1x + 1 = 0
7x + (8 + -4x) + -1x + 1 = 0

Reorder the terms:
8 + 1 + 7x + -4x + -1x = 0

Combine like terms: 8 + 1 = 9
9 + 7x + -4x + -1x = 0

Combine like terms: 7x + -4x = 3x
9 + 3x + -1x = 0

Combine like terms: 3x + -1x = 2x
9 + 2x = 0

Solving
9 + 2x = 0

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 2x = 0 + -9

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

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

Divide each side by '2'.
x = -4.5

Simplifying
x = -4.5

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