3(w-7)=-21+12x

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Solution for 3(w-7)=-21+12x equation:


Simplifying
3(w + -7) = -21 + 12x

Reorder the terms:
3(-7 + w) = -21 + 12x
(-7 * 3 + w * 3) = -21 + 12x
(-21 + 3w) = -21 + 12x

Add '21' to each side of the equation.
-21 + 21 + 3w = -21 + 21 + 12x

Combine like terms: -21 + 21 = 0
0 + 3w = -21 + 21 + 12x
3w = -21 + 21 + 12x

Combine like terms: -21 + 21 = 0
3w = 0 + 12x
3w = 12x

Solving
3w = 12x

Solving for variable 'w'.

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

Divide each side by '3'.
w = 4x

Simplifying
w = 4x

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