w+25+47=3w+42

Solution for w+25+47=3w+42 equation:

Simplifying
w + 25 + 47 = 3w + 42

Reorder the terms:
25 + 47 + w = 3w + 42

Combine like terms: 25 + 47 = 72
72 + w = 3w + 42

Reorder the terms:
72 + w = 42 + 3w

Solving
72 + w = 42 + 3w

Solving for variable 'w'.

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

Add '-3w' to each side of the equation.
72 + w + -3w = 42 + 3w + -3w

Combine like terms: w + -3w = -2w
72 + -2w = 42 + 3w + -3w

Combine like terms: 3w + -3w = 0
72 + -2w = 42 + 0
72 + -2w = 42

Add '-72' to each side of the equation.
72 + -72 + -2w = 42 + -72

Combine like terms: 72 + -72 = 0
0 + -2w = 42 + -72
-2w = 42 + -72

Combine like terms: 42 + -72 = -30
-2w = -30

Divide each side by '-2'.
w = 15

Simplifying
w = 15