1+2x-4x=-9

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


Simplifying
1 + 2x + -4x = -9

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

Solving
1 + -2x = -9

Solving for variable 'x'.

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

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

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

Combine like terms: -9 + -1 = -10
-2x = -10

Divide each side by '-2'.
x = 5

Simplifying
x = 5

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