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

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


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

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

Reorder the terms:
-6 + 3x + 3x = 5x + -21 + 2x

Combine like terms: 3x + 3x = 6x
-6 + 6x = 5x + -21 + 2x

Reorder the terms:
-6 + 6x = -21 + 5x + 2x

Combine like terms: 5x + 2x = 7x
-6 + 6x = -21 + 7x

Solving
-6 + 6x = -21 + 7x

Solving for variable 'x'.

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

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

Combine like terms: 6x + -7x = -1x
-6 + -1x = -21 + 7x + -7x

Combine like terms: 7x + -7x = 0
-6 + -1x = -21 + 0
-6 + -1x = -21

Add '6' to each side of the equation.
-6 + 6 + -1x = -21 + 6

Combine like terms: -6 + 6 = 0
0 + -1x = -21 + 6
-1x = -21 + 6

Combine like terms: -21 + 6 = -15
-1x = -15

Divide each side by '-1'.
x = 15

Simplifying
x = 15

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