30x+50=140

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Solution for 30x+50=140 equation: 


Simplifying
30x + 50 = 140

Reorder the terms:
50 + 30x = 140

Solving
50 + 30x = 140

Solving for variable 'x'.

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

Add '-50' to each side of the equation.
50 + -50 + 30x = 140 + -50

Combine like terms: 50 + -50 = 0
0 + 30x = 140 + -50
30x = 140 + -50

Combine like terms: 140 + -50 = 90
30x = 90

Divide each side by '30'.
x = 3

Simplifying
x = 3

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