w+3-3w+4=12

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Solution for w+3-3w+4=12 equation:


Simplifying
w + 3 + -3w + 4 = 12

Reorder the terms:
3 + 4 + w + -3w = 12

Combine like terms: 3 + 4 = 7
7 + w + -3w = 12

Combine like terms: w + -3w = -2w
7 + -2w = 12

Solving
7 + -2w = 12

Solving for variable 'w'.

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

Add '-7' to each side of the equation.
7 + -7 + -2w = 12 + -7

Combine like terms: 7 + -7 = 0
0 + -2w = 12 + -7
-2w = 12 + -7

Combine like terms: 12 + -7 = 5
-2w = 5

Divide each side by '-2'.
w = -2.5

Simplifying
w = -2.5

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