x+(x*2)+(x-5)=75

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Solution for x+(x*2)+(x-5)=75 equation:


Simplifying
x + (x * 2) + (x + -5) = 75

Reorder the terms for easier multiplication:
x + (2x) + (x + -5) = 75

Reorder the terms:
x + (2x) + (-5 + x) = 75

Remove parenthesis around (-5 + x)
x + (2x) + -5 + x = 75

Reorder the terms:
-5 + x + (2x) + x = 75

Combine like terms: x + (2x) = 3x
-5 + 3x + x = 75

Combine like terms: 3x + x = 4x
-5 + 4x = 75

Solving
-5 + 4x = 75

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 4x = 75 + 5

Combine like terms: -5 + 5 = 0
0 + 4x = 75 + 5
4x = 75 + 5

Combine like terms: 75 + 5 = 80
4x = 80

Divide each side by '4'.
x = 20

Simplifying
x = 20

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