9x+4=7x-4

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Solution for 9x+4=7x-4 equation:


Simplifying
9x + 4 = 7x + -4

Reorder the terms:
4 + 9x = 7x + -4

Reorder the terms:
4 + 9x = -4 + 7x

Solving
4 + 9x = -4 + 7x

Solving for variable 'x'.

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

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

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

Combine like terms: 7x + -7x = 0
4 + 2x = -4 + 0
4 + 2x = -4

Add '-4' to each side of the equation.
4 + -4 + 2x = -4 + -4

Combine like terms: 4 + -4 = 0
0 + 2x = -4 + -4
2x = -4 + -4

Combine like terms: -4 + -4 = -8
2x = -8

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

Simplifying
x = -4

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