2(x+7)+(x+7)+x=89

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Solution for 2(x+7)+(x+7)+x=89 equation:


Simplifying
2(x + 7) + (x + 7) + x = 89

Reorder the terms:
2(7 + x) + (x + 7) + x = 89
(7 * 2 + x * 2) + (x + 7) + x = 89
(14 + 2x) + (x + 7) + x = 89

Reorder the terms:
14 + 2x + (7 + x) + x = 89

Remove parenthesis around (7 + x)
14 + 2x + 7 + x + x = 89

Reorder the terms:
14 + 7 + 2x + x + x = 89

Combine like terms: 14 + 7 = 21
21 + 2x + x + x = 89

Combine like terms: 2x + x = 3x
21 + 3x + x = 89

Combine like terms: 3x + x = 4x
21 + 4x = 89

Solving
21 + 4x = 89

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 4x = 89 + -21

Combine like terms: 21 + -21 = 0
0 + 4x = 89 + -21
4x = 89 + -21

Combine like terms: 89 + -21 = 68
4x = 68

Divide each side by '4'.
x = 17

Simplifying
x = 17

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