127=2x+42

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Solution for 127=2x+42 equation:


Simplifying
127 = 2x + 42

Reorder the terms:
127 = 42 + 2x

Solving
127 = 42 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
127 + -2x = 42 + 2x + -2x

Combine like terms: 2x + -2x = 0
127 + -2x = 42 + 0
127 + -2x = 42

Add '-127' to each side of the equation.
127 + -127 + -2x = 42 + -127

Combine like terms: 127 + -127 = 0
0 + -2x = 42 + -127
-2x = 42 + -127

Combine like terms: 42 + -127 = -85
-2x = -85

Divide each side by '-2'.
x = 42.5

Simplifying
x = 42.5

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