3x+9=15x+7

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Solution for 3x+9=15x+7 equation:


Simplifying
3x + 9 = 15x + 7

Reorder the terms:
9 + 3x = 15x + 7

Reorder the terms:
9 + 3x = 7 + 15x

Solving
9 + 3x = 7 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
9 + 3x + -15x = 7 + 15x + -15x

Combine like terms: 3x + -15x = -12x
9 + -12x = 7 + 15x + -15x

Combine like terms: 15x + -15x = 0
9 + -12x = 7 + 0
9 + -12x = 7

Add '-9' to each side of the equation.
9 + -9 + -12x = 7 + -9

Combine like terms: 9 + -9 = 0
0 + -12x = 7 + -9
-12x = 7 + -9

Combine like terms: 7 + -9 = -2
-12x = -2

Divide each side by '-12'.
x = 0.1666666667

Simplifying
x = 0.1666666667

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