-(1-3x)+4x=-15

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Solution for -(1-3x)+4x=-15 equation: 


Simplifying
-1(1 + -3x) + 4x = -15
(1 * -1 + -3x * -1) + 4x = -15
(-1 + 3x) + 4x = -15

Combine like terms: 3x + 4x = 7x
-1 + 7x = -15

Solving
-1 + 7x = -15

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 + 7x = -15 + 1

Combine like terms: -1 + 1 = 0
0 + 7x = -15 + 1
7x = -15 + 1

Combine like terms: -15 + 1 = -14
7x = -14

Divide each side by '7'.
x = -2

Simplifying
x = -2

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