3x+(x+10)+x=85

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Solution for 3x+(x+10)+x=85 equation:


Simplifying
3x + (x + 10) + x = 85

Reorder the terms:
3x + (10 + x) + x = 85

Remove parenthesis around (10 + x)
3x + 10 + x + x = 85

Reorder the terms:
10 + 3x + x + x = 85

Combine like terms: 3x + x = 4x
10 + 4x + x = 85

Combine like terms: 4x + x = 5x
10 + 5x = 85

Solving
10 + 5x = 85

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + 5x = 85 + -10

Combine like terms: 10 + -10 = 0
0 + 5x = 85 + -10
5x = 85 + -10

Combine like terms: 85 + -10 = 75
5x = 75

Divide each side by '5'.
x = 15

Simplifying
x = 15

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