40-5x=30

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Solution for 40-5x=30 equation: 


Simplifying
40 + -5x = 30

Solving
40 + -5x = 30

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + -40 + -5x = 30 + -40

Combine like terms: 40 + -40 = 0
0 + -5x = 30 + -40
-5x = 30 + -40

Combine like terms: 30 + -40 = -10
-5x = -10

Divide each side by '-5'.
x = 2

Simplifying
x = 2

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