x-1+x-1=3x-7

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Solution for x-1+x-1=3x-7 equation:


Simplifying
x + -1 + x + -1 = 3x + -7

Reorder the terms:
-1 + -1 + x + x = 3x + -7

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

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

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

Solving
-2 + 2x = -7 + 3x

Solving for variable 'x'.

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

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

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

Combine like terms: 3x + -3x = 0
-2 + -1x = -7 + 0
-2 + -1x = -7

Add '2' to each side of the equation.
-2 + 2 + -1x = -7 + 2

Combine like terms: -2 + 2 = 0
0 + -1x = -7 + 2
-1x = -7 + 2

Combine like terms: -7 + 2 = -5
-1x = -5

Divide each side by '-1'.
x = 5

Simplifying
x = 5

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