(x+10)+(x+5)+x=70

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Solution for (x+10)+(x+5)+x=70 equation: 


Simplifying
(x + 10) + (x + 5) + x = 70

Reorder the terms:
(10 + x) + (x + 5) + x = 70

Remove parenthesis around (10 + x)
10 + x + (x + 5) + x = 70

Reorder the terms:
10 + x + (5 + x) + x = 70

Remove parenthesis around (5 + x)
10 + x + 5 + x + x = 70

Reorder the terms:
10 + 5 + x + x + x = 70

Combine like terms: 10 + 5 = 15
15 + x + x + x = 70

Combine like terms: x + x = 2x
15 + 2x + x = 70

Combine like terms: 2x + x = 3x
15 + 3x = 70

Solving
15 + 3x = 70

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 3x = 70 + -15

Combine like terms: 15 + -15 = 0
0 + 3x = 70 + -15
3x = 70 + -15

Combine like terms: 70 + -15 = 55
3x = 55

Divide each side by '3'.
x = 18.33333333

Simplifying
x = 18.33333333

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