-(x+3x-x)=2x-7

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Solution for -(x+3x-x)=2x-7 equation:


Simplifying
-1(x + 3x + -1x) = 2x + -7

Combine like terms: x + 3x = 4x
-1(4x + -1x) = 2x + -7

Combine like terms: 4x + -1x = 3x
-1(3x) = 2x + -7

Remove parenthesis around (3x)
-1 * 3x = 2x + -7

Multiply -1 * 3
-3x = 2x + -7

Reorder the terms:
-3x = -7 + 2x

Solving
-3x = -7 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-3x + -2x = -7 + 2x + -2x

Combine like terms: -3x + -2x = -5x
-5x = -7 + 2x + -2x

Combine like terms: 2x + -2x = 0
-5x = -7 + 0
-5x = -7

Divide each side by '-5'.
x = 1.4

Simplifying
x = 1.4

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