121-6x=30x+21

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Solution for 121-6x=30x+21 equation:


Simplifying
121 + -6x = 30x + 21

Reorder the terms:
121 + -6x = 21 + 30x

Solving
121 + -6x = 21 + 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.
121 + -6x + -30x = 21 + 30x + -30x

Combine like terms: -6x + -30x = -36x
121 + -36x = 21 + 30x + -30x

Combine like terms: 30x + -30x = 0
121 + -36x = 21 + 0
121 + -36x = 21

Add '-121' to each side of the equation.
121 + -121 + -36x = 21 + -121

Combine like terms: 121 + -121 = 0
0 + -36x = 21 + -121
-36x = 21 + -121

Combine like terms: 21 + -121 = -100
-36x = -100

Divide each side by '-36'.
x = 2.777777778

Simplifying
x = 2.777777778

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