3(x+7)=9+3-6x+18

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Solution for 3(x+7)=9+3-6x+18 equation:


Simplifying
3(x + 7) = 9 + 3 + -6x + 18

Reorder the terms:
3(7 + x) = 9 + 3 + -6x + 18
(7 * 3 + x * 3) = 9 + 3 + -6x + 18
(21 + 3x) = 9 + 3 + -6x + 18

Reorder the terms:
21 + 3x = 9 + 3 + 18 + -6x

Combine like terms: 9 + 3 = 12
21 + 3x = 12 + 18 + -6x

Combine like terms: 12 + 18 = 30
21 + 3x = 30 + -6x

Solving
21 + 3x = 30 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
21 + 3x + 6x = 30 + -6x + 6x

Combine like terms: 3x + 6x = 9x
21 + 9x = 30 + -6x + 6x

Combine like terms: -6x + 6x = 0
21 + 9x = 30 + 0
21 + 9x = 30

Add '-21' to each side of the equation.
21 + -21 + 9x = 30 + -21

Combine like terms: 21 + -21 = 0
0 + 9x = 30 + -21
9x = 30 + -21

Combine like terms: 30 + -21 = 9
9x = 9

Divide each side by '9'.
x = 1

Simplifying
x = 1

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