40+50x=390

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Solution for 40+50x=390 equation: 


Simplifying
40 + 50x = 390

Solving
40 + 50x = 390

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 + 50x = 390 + -40

Combine like terms: 40 + -40 = 0
0 + 50x = 390 + -40
50x = 390 + -40

Combine like terms: 390 + -40 = 350
50x = 350

Divide each side by '50'.
x = 7

Simplifying
x = 7

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