w-257.6+42=300

Solution for w-257.6+42=300 equation:

Simplifying
w + -257.6 + 42 = 300

Reorder the terms:
-257.6 + 42 + w = 300

Combine like terms: -257.6 + 42 = -215.6
-215.6 + w = 300

Solving
-215.6 + w = 300

Solving for variable 'w'.

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

Add '215.6' to each side of the equation.
-215.6 + 215.6 + w = 300 + 215.6

Combine like terms: -215.6 + 215.6 = 0.0
0.0 + w = 300 + 215.6
w = 300 + 215.6

Combine like terms: 300 + 215.6 = 515.6
w = 515.6

Simplifying
w = 515.6