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

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


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

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

Combine like terms: 3 + 5 = 8
8 + x + 2x + 4x = 75

Combine like terms: x + 2x = 3x
8 + 3x + 4x = 75

Combine like terms: 3x + 4x = 7x
8 + 7x = 75

Solving
8 + 7x = 75

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 7x = 75 + -8

Combine like terms: 8 + -8 = 0
0 + 7x = 75 + -8
7x = 75 + -8

Combine like terms: 75 + -8 = 67
7x = 67

Divide each side by '7'.
x = 9.571428571

Simplifying
x = 9.571428571

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