7x-2x-1=3x-9

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Solution for 7x-2x-1=3x-9 equation:


Simplifying
7x + -2x + -1 = 3x + -9

Reorder the terms:
-1 + 7x + -2x = 3x + -9

Combine like terms: 7x + -2x = 5x
-1 + 5x = 3x + -9

Reorder the terms:
-1 + 5x = -9 + 3x

Solving
-1 + 5x = -9 + 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.
-1 + 5x + -3x = -9 + 3x + -3x

Combine like terms: 5x + -3x = 2x
-1 + 2x = -9 + 3x + -3x

Combine like terms: 3x + -3x = 0
-1 + 2x = -9 + 0
-1 + 2x = -9

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 = -8
2x = -8

Divide each side by '2'.
x = -4

Simplifying
x = -4

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