55-40x=30x

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Solution for 55-40x=30x equation:


Simplifying
55 + -40x = 30x

Solving
55 + -40x = 30x

Solving for variable 'x'.

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

Add '-30x' to each side of the equation.
55 + -40x + -30x = 30x + -30x

Combine like terms: -40x + -30x = -70x
55 + -70x = 30x + -30x

Combine like terms: 30x + -30x = 0
55 + -70x = 0

Add '-55' to each side of the equation.
55 + -55 + -70x = 0 + -55

Combine like terms: 55 + -55 = 0
0 + -70x = 0 + -55
-70x = 0 + -55

Combine like terms: 0 + -55 = -55
-70x = -55

Divide each side by '-70'.
x = 0.7857142857

Simplifying
x = 0.7857142857

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