x+2x+(x+3)=75

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Solution for x+2x+(x+3)=75 equation:


Simplifying
x + 2x + (x + 3) = 75

Reorder the terms:
x + 2x + (3 + x) = 75

Remove parenthesis around (3 + x)
x + 2x + 3 + x = 75

Reorder the terms:
3 + x + 2x + x = 75

Combine like terms: x + 2x = 3x
3 + 3x + x = 75

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

Solving
3 + 4x = 75

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 4x = 75 + -3

Combine like terms: 3 + -3 = 0
0 + 4x = 75 + -3
4x = 75 + -3

Combine like terms: 75 + -3 = 72
4x = 72

Divide each side by '4'.
x = 18

Simplifying
x = 18

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