(X+5)+(X+4)+(X+3)=80

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Solution for (X+5)+(X+4)+(X+3)=80 equation:


Simplifying
(X + 5) + (X + 4) + (X + 3) = 80

Reorder the terms:
(5 + X) + (X + 4) + (X + 3) = 80

Remove parenthesis around (5 + X)
5 + X + (X + 4) + (X + 3) = 80

Reorder the terms:
5 + X + (4 + X) + (X + 3) = 80

Remove parenthesis around (4 + X)
5 + X + 4 + X + (X + 3) = 80

Reorder the terms:
5 + X + 4 + X + (3 + X) = 80

Remove parenthesis around (3 + X)
5 + X + 4 + X + 3 + X = 80

Reorder the terms:
5 + 4 + 3 + X + X + X = 80

Combine like terms: 5 + 4 = 9
9 + 3 + X + X + X = 80

Combine like terms: 9 + 3 = 12
12 + X + X + X = 80

Combine like terms: X + X = 2X
12 + 2X + X = 80

Combine like terms: 2X + X = 3X
12 + 3X = 80

Solving
12 + 3X = 80

Solving for variable 'X'.

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

Add '-12' to each side of the equation.
12 + -12 + 3X = 80 + -12

Combine like terms: 12 + -12 = 0
0 + 3X = 80 + -12
3X = 80 + -12

Combine like terms: 80 + -12 = 68
3X = 68

Divide each side by '3'.
X = 22.66666667

Simplifying
X = 22.66666667

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