(x+7)+(2x+14)=90

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Solution for (x+7)+(2x+14)=90 equation:


Simplifying
(x + 7) + (2x + 14) = 90

Reorder the terms:
(7 + x) + (2x + 14) = 90

Remove parenthesis around (7 + x)
7 + x + (2x + 14) = 90

Reorder the terms:
7 + x + (14 + 2x) = 90

Remove parenthesis around (14 + 2x)
7 + x + 14 + 2x = 90

Reorder the terms:
7 + 14 + x + 2x = 90

Combine like terms: 7 + 14 = 21
21 + x + 2x = 90

Combine like terms: x + 2x = 3x
21 + 3x = 90

Solving
21 + 3x = 90

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 + 3x = 90 + -21

Combine like terms: 21 + -21 = 0
0 + 3x = 90 + -21
3x = 90 + -21

Combine like terms: 90 + -21 = 69
3x = 69

Divide each side by '3'.
x = 23

Simplifying
x = 23

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