x+2x+3x+4+5=75

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Solution for x+2x+3x+4+5=75 equation:


Simplifying
x + 2x + 3x + 4 + 5 = 75

Reorder the terms:
4 + 5 + x + 2x + 3x = 75

Combine like terms: 4 + 5 = 9
9 + x + 2x + 3x = 75

Combine like terms: x + 2x = 3x
9 + 3x + 3x = 75

Combine like terms: 3x + 3x = 6x
9 + 6x = 75

Solving
9 + 6x = 75

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 6x = 75 + -9

Combine like terms: 9 + -9 = 0
0 + 6x = 75 + -9
6x = 75 + -9

Combine like terms: 75 + -9 = 66
6x = 66

Divide each side by '6'.
x = 11

Simplifying
x = 11

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