8x-12=x+3(3x+1)

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Solution for 8x-12=x+3(3x+1) equation:


Simplifying
8x + -12 = x + 3(3x + 1)

Reorder the terms:
-12 + 8x = x + 3(3x + 1)

Reorder the terms:
-12 + 8x = x + 3(1 + 3x)
-12 + 8x = x + (1 * 3 + 3x * 3)
-12 + 8x = x + (3 + 9x)

Reorder the terms:
-12 + 8x = 3 + x + 9x

Combine like terms: x + 9x = 10x
-12 + 8x = 3 + 10x

Solving
-12 + 8x = 3 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
-12 + 8x + -10x = 3 + 10x + -10x

Combine like terms: 8x + -10x = -2x
-12 + -2x = 3 + 10x + -10x

Combine like terms: 10x + -10x = 0
-12 + -2x = 3 + 0
-12 + -2x = 3

Add '12' to each side of the equation.
-12 + 12 + -2x = 3 + 12

Combine like terms: -12 + 12 = 0
0 + -2x = 3 + 12
-2x = 3 + 12

Combine like terms: 3 + 12 = 15
-2x = 15

Divide each side by '-2'.
x = -7.5

Simplifying
x = -7.5

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