115-4x=3x+42

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Solution for 115-4x=3x+42 equation: 


Simplifying
115 + -4x = 3x + 42

Reorder the terms:
115 + -4x = 42 + 3x

Solving
115 + -4x = 42 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
115 + -4x + -3x = 42 + 3x + -3x

Combine like terms: -4x + -3x = -7x
115 + -7x = 42 + 3x + -3x

Combine like terms: 3x + -3x = 0
115 + -7x = 42 + 0
115 + -7x = 42

Add '-115' to each side of the equation.
115 + -115 + -7x = 42 + -115

Combine like terms: 115 + -115 = 0
0 + -7x = 42 + -115
-7x = 42 + -115

Combine like terms: 42 + -115 = -73
-7x = -73

Divide each side by '-7'.
x = 10.42857143

Simplifying
x = 10.42857143

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