3x+4x-6=3x+9

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Solution for 3x+4x-6=3x+9 equation:


Simplifying
3x + 4x + -6 = 3x + 9

Reorder the terms:
-6 + 3x + 4x = 3x + 9

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

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

Solving
-6 + 7x = 9 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-6 + 7x + -3x = 9 + 3x + -3x

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

Combine like terms: 3x + -3x = 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 = 15
4x = 15

Divide each side by '4'.
x = 3.75

Simplifying
x = 3.75

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