4x+(-2x-1)=12

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Solution for 4x+(-2x-1)=12 equation:


Simplifying
4x + (-2x + -1) = 12

Reorder the terms:
4x + (-1 + -2x) = 12

Remove parenthesis around (-1 + -2x)
4x + -1 + -2x = 12

Reorder the terms:
-1 + 4x + -2x = 12

Combine like terms: 4x + -2x = 2x
-1 + 2x = 12

Solving
-1 + 2x = 12

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 = 12 + 1

Combine like terms: -1 + 1 = 0
0 + 2x = 12 + 1
2x = 12 + 1

Combine like terms: 12 + 1 = 13
2x = 13

Divide each side by '2'.
x = 6.5

Simplifying
x = 6.5

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