9=2x-1-7x

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


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

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

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

Solving
9 = -1 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
9 + 5x = -1 + -5x + 5x

Combine like terms: -5x + 5x = 0
9 + 5x = -1 + 0
9 + 5x = -1

Add '-9' to each side of the equation.
9 + -9 + 5x = -1 + -9

Combine like terms: 9 + -9 = 0
0 + 5x = -1 + -9
5x = -1 + -9

Combine like terms: -1 + -9 = -10
5x = -10

Divide each side by '5'.
x = -2

Simplifying
x = -2

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