7x+2x-1=4x-1

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Solution for 7x+2x-1=4x-1 equation:


Simplifying
7x + 2x + -1 = 4x + -1

Reorder the terms:
-1 + 7x + 2x = 4x + -1

Combine like terms: 7x + 2x = 9x
-1 + 9x = 4x + -1

Reorder the terms:
-1 + 9x = -1 + 4x

Add '1' to each side of the equation.
-1 + 1 + 9x = -1 + 1 + 4x

Combine like terms: -1 + 1 = 0
0 + 9x = -1 + 1 + 4x
9x = -1 + 1 + 4x

Combine like terms: -1 + 1 = 0
9x = 0 + 4x
9x = 4x

Solving
9x = 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
9x + -4x = 4x + -4x

Combine like terms: 9x + -4x = 5x
5x = 4x + -4x

Combine like terms: 4x + -4x = 0
5x = 0

Divide each side by '5'.
x = 0

Simplifying
x = 0

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