13-3x+2+6x-2x-1=3+2*9

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Solution for 13-3x+2+6x-2x-1=3+2*9 equation: 


Simplifying
13 + -3x + 2 + 6x + -2x + -1 = 3 + 2 * 9

Reorder the terms:
13 + 2 + -1 + -3x + 6x + -2x = 3 + 2 * 9

Combine like terms: 13 + 2 = 15
15 + -1 + -3x + 6x + -2x = 3 + 2 * 9

Combine like terms: 15 + -1 = 14
14 + -3x + 6x + -2x = 3 + 2 * 9

Combine like terms: -3x + 6x = 3x
14 + 3x + -2x = 3 + 2 * 9

Combine like terms: 3x + -2x = 1x
14 + 1x = 3 + 2 * 9

Multiply 2 * 9
14 + 1x = 3 + 18

Combine like terms: 3 + 18 = 21
14 + 1x = 21

Solving
14 + 1x = 21

Solving for variable 'x'.

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

Add '-14' to each side of the equation.
14 + -14 + 1x = 21 + -14

Combine like terms: 14 + -14 = 0
0 + 1x = 21 + -14
1x = 21 + -14

Combine like terms: 21 + -14 = 7
1x = 7

Divide each side by '1'.
x = 7

Simplifying
x = 7

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