155-3x=6x+20

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Solution for 155-3x=6x+20 equation:


Simplifying
155 + -3x = 6x + 20

Reorder the terms:
155 + -3x = 20 + 6x

Solving
155 + -3x = 20 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
155 + -3x + -6x = 20 + 6x + -6x

Combine like terms: -3x + -6x = -9x
155 + -9x = 20 + 6x + -6x

Combine like terms: 6x + -6x = 0
155 + -9x = 20 + 0
155 + -9x = 20

Add '-155' to each side of the equation.
155 + -155 + -9x = 20 + -155

Combine like terms: 155 + -155 = 0
0 + -9x = 20 + -155
-9x = 20 + -155

Combine like terms: 20 + -155 = -135
-9x = -135

Divide each side by '-9'.
x = 15

Simplifying
x = 15

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