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

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


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

Multiply 12 * 1
12 + 3(x + 3) = 8x

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

Combine like terms: 12 + 9 = 21
21 + 3x = 8x

Solving
21 + 3x = 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
21 + 3x + -8x = 8x + -8x

Combine like terms: 3x + -8x = -5x
21 + -5x = 8x + -8x

Combine like terms: 8x + -8x = 0
21 + -5x = 0

Add '-21' to each side of the equation.
21 + -21 + -5x = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -5x = 0 + -21
-5x = 0 + -21

Combine like terms: 0 + -21 = -21
-5x = -21

Divide each side by '-5'.
x = 4.2

Simplifying
x = 4.2

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