3(4x-2)=21+5x

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Solution for 3(4x-2)=21+5x equation:


Simplifying
3(4x + -2) = 21 + 5x

Reorder the terms:
3(-2 + 4x) = 21 + 5x
(-2 * 3 + 4x * 3) = 21 + 5x
(-6 + 12x) = 21 + 5x

Solving
-6 + 12x = 21 + 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.
-6 + 12x + -5x = 21 + 5x + -5x

Combine like terms: 12x + -5x = 7x
-6 + 7x = 21 + 5x + -5x

Combine like terms: 5x + -5x = 0
-6 + 7x = 21 + 0
-6 + 7x = 21

Add '6' to each side of the equation.
-6 + 6 + 7x = 21 + 6

Combine like terms: -6 + 6 = 0
0 + 7x = 21 + 6
7x = 21 + 6

Combine like terms: 21 + 6 = 27
7x = 27

Divide each side by '7'.
x = 3.857142857

Simplifying
x = 3.857142857

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