3x+4x+5x=30x

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Solution for 3x+4x+5x=30x equation:


Simplifying
3x + 4x + 5x = 30x

Combine like terms: 3x + 4x = 7x
7x + 5x = 30x

Combine like terms: 7x + 5x = 12x
12x = 30x

Solving
12x = 30x

Solving for variable 'x'.

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

Add '-30x' to each side of the equation.
12x + -30x = 30x + -30x

Combine like terms: 12x + -30x = -18x
-18x = 30x + -30x

Combine like terms: 30x + -30x = 0
-18x = 0

Divide each side by '-18'.
x = 0

Simplifying
x = 0

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