(1-4x)+1-(-2x)+(-9)=0

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Solution for (1-4x)+1-(-2x)+(-9)=0 equation:


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

Remove parenthesis around (1 + -4x)
1 + -4x + 1 + -1(-2x) + (-9) = 0

Remove parenthesis around (-2x)
1 + -4x + 1 + -1 * -2x + (-9) = 0

Multiply -1 * -2
1 + -4x + 1 + 2x + (-9) = 0
1 + -4x + 1 + 2x + -9 = 0

Reorder the terms:
1 + 1 + -9 + -4x + 2x = 0

Combine like terms: 1 + 1 = 2
2 + -9 + -4x + 2x = 0

Combine like terms: 2 + -9 = -7
-7 + -4x + 2x = 0

Combine like terms: -4x + 2x = -2x
-7 + -2x = 0

Solving
-7 + -2x = 0

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + -2x = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -2x = 0 + 7
-2x = 0 + 7

Combine like terms: 0 + 7 = 7
-2x = 7

Divide each side by '-2'.
x = -3.5

Simplifying
x = -3.5

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