x+(x+20)+(x+56)=85

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Solution for x+(x+20)+(x+56)=85 equation:


Simplifying
x + (x + 20) + (x + 56) = 85

Reorder the terms:
x + (20 + x) + (x + 56) = 85

Remove parenthesis around (20 + x)
x + 20 + x + (x + 56) = 85

Reorder the terms:
x + 20 + x + (56 + x) = 85

Remove parenthesis around (56 + x)
x + 20 + x + 56 + x = 85

Reorder the terms:
20 + 56 + x + x + x = 85

Combine like terms: 20 + 56 = 76
76 + x + x + x = 85

Combine like terms: x + x = 2x
76 + 2x + x = 85

Combine like terms: 2x + x = 3x
76 + 3x = 85

Solving
76 + 3x = 85

Solving for variable 'x'.

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

Add '-76' to each side of the equation.
76 + -76 + 3x = 85 + -76

Combine like terms: 76 + -76 = 0
0 + 3x = 85 + -76
3x = 85 + -76

Combine like terms: 85 + -76 = 9
3x = 9

Divide each side by '3'.
x = 3

Simplifying
x = 3

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