3x=40+5x

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Solution for 3x=40+5x equation: 


Simplifying
3x = 40 + 5x

Solving
3x = 40 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
3x + -5x = 40 + 5x + -5x

Combine like terms: 3x + -5x = -2x
-2x = 40 + 5x + -5x

Combine like terms: 5x + -5x = 0
-2x = 40 + 0
-2x = 40

Divide each side by '-2'.
x = -20

Simplifying
x = -20

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