3x+9+4x+x=5x+7

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Solution for 3x+9+4x+x=5x+7 equation:


Simplifying
3x + 9 + 4x + x = 5x + 7

Reorder the terms:
9 + 3x + 4x + x = 5x + 7

Combine like terms: 3x + 4x = 7x
9 + 7x + x = 5x + 7

Combine like terms: 7x + x = 8x
9 + 8x = 5x + 7

Reorder the terms:
9 + 8x = 7 + 5x

Solving
9 + 8x = 7 + 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 + 8x + -5x = 7 + 5x + -5x

Combine like terms: 8x + -5x = 3x
9 + 3x = 7 + 5x + -5x

Combine like terms: 5x + -5x = 0
9 + 3x = 7 + 0
9 + 3x = 7

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

Combine like terms: 9 + -9 = 0
0 + 3x = 7 + -9
3x = 7 + -9

Combine like terms: 7 + -9 = -2
3x = -2

Divide each side by '3'.
x = -0.6666666667

Simplifying
x = -0.6666666667

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