2(3x-1)+3x=21

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Solution for 2(3x-1)+3x=21 equation:


Simplifying
2(3x + -1) + 3x = 21

Reorder the terms:
2(-1 + 3x) + 3x = 21
(-1 * 2 + 3x * 2) + 3x = 21
(-2 + 6x) + 3x = 21

Combine like terms: 6x + 3x = 9x
-2 + 9x = 21

Solving
-2 + 9x = 21

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 9x = 21 + 2

Combine like terms: -2 + 2 = 0
0 + 9x = 21 + 2
9x = 21 + 2

Combine like terms: 21 + 2 = 23
9x = 23

Divide each side by '9'.
x = 2.555555556

Simplifying
x = 2.555555556

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