3x+6=7x+9

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Solution for 3x+6=7x+9 equation:


Simplifying
3x + 6 = 7x + 9

Reorder the terms:
6 + 3x = 7x + 9

Reorder the terms:
6 + 3x = 9 + 7x

Solving
6 + 3x = 9 + 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.
6 + 3x + -7x = 9 + 7x + -7x

Combine like terms: 3x + -7x = -4x
6 + -4x = 9 + 7x + -7x

Combine like terms: 7x + -7x = 0
6 + -4x = 9 + 0
6 + -4x = 9

Add '-6' to each side of the equation.
6 + -6 + -4x = 9 + -6

Combine like terms: 6 + -6 = 0
0 + -4x = 9 + -6
-4x = 9 + -6

Combine like terms: 9 + -6 = 3
-4x = 3

Divide each side by '-4'.
x = -0.75

Simplifying
x = -0.75

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