15x-9=3(4x+1)

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Solution for 15x-9=3(4x+1) equation:


Simplifying
15x + -9 = 3(4x + 1)

Reorder the terms:
-9 + 15x = 3(4x + 1)

Reorder the terms:
-9 + 15x = 3(1 + 4x)
-9 + 15x = (1 * 3 + 4x * 3)
-9 + 15x = (3 + 12x)

Solving
-9 + 15x = 3 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-9 + 15x + -12x = 3 + 12x + -12x

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

Combine like terms: 12x + -12x = 0
-9 + 3x = 3 + 0
-9 + 3x = 3

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

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

Combine like terms: 3 + 9 = 12
3x = 12

Divide each side by '3'.
x = 4

Simplifying
x = 4

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