100x+30x-10x+40=80

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Solution for 100x+30x-10x+40=80 equation: 


Simplifying
100x + 30x + -10x + 40 = 80

Reorder the terms:
40 + 100x + 30x + -10x = 80

Combine like terms: 100x + 30x = 130x
40 + 130x + -10x = 80

Combine like terms: 130x + -10x = 120x
40 + 120x = 80

Solving
40 + 120x = 80

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 + 120x = 80 + -40

Combine like terms: 40 + -40 = 0
0 + 120x = 80 + -40
120x = 80 + -40

Combine like terms: 80 + -40 = 40
120x = 40

Divide each side by '120'.
x = 0.3333333333

Simplifying
x = 0.3333333333

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