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

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


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

Reorder the terms:
3(3 + 3x) + 2(1 + -2x) = 21
(3 * 3 + 3x * 3) + 2(1 + -2x) = 21
(9 + 9x) + 2(1 + -2x) = 21
9 + 9x + (1 * 2 + -2x * 2) = 21
9 + 9x + (2 + -4x) = 21

Reorder the terms:
9 + 2 + 9x + -4x = 21

Combine like terms: 9 + 2 = 11
11 + 9x + -4x = 21

Combine like terms: 9x + -4x = 5x
11 + 5x = 21

Solving
11 + 5x = 21

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + 5x = 21 + -11

Combine like terms: 11 + -11 = 0
0 + 5x = 21 + -11
5x = 21 + -11

Combine like terms: 21 + -11 = 10
5x = 10

Divide each side by '5'.
x = 2

Simplifying
x = 2

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