3x-7x=7-9x

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


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

Combine like terms: 3x + -7x = -4x
-4x = 7 + -9x

Solving
-4x = 7 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
-4x + 9x = 7 + -9x + 9x

Combine like terms: -4x + 9x = 5x
5x = 7 + -9x + 9x

Combine like terms: -9x + 9x = 0
5x = 7 + 0
5x = 7

Divide each side by '5'.
x = 1.4

Simplifying
x = 1.4

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