12-3(w+1)=7w-3(7+w)

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Solution for 12-3(w+1)=7w-3(7+w) equation:


Simplifying
12 + -3(w + 1) = 7w + -3(7 + w)

Reorder the terms:
12 + -3(1 + w) = 7w + -3(7 + w)
12 + (1 * -3 + w * -3) = 7w + -3(7 + w)
12 + (-3 + -3w) = 7w + -3(7 + w)

Combine like terms: 12 + -3 = 9
9 + -3w = 7w + -3(7 + w)
9 + -3w = 7w + (7 * -3 + w * -3)
9 + -3w = 7w + (-21 + -3w)

Reorder the terms:
9 + -3w = -21 + 7w + -3w

Combine like terms: 7w + -3w = 4w
9 + -3w = -21 + 4w

Solving
9 + -3w = -21 + 4w

Solving for variable 'w'.

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

Add '-4w' to each side of the equation.
9 + -3w + -4w = -21 + 4w + -4w

Combine like terms: -3w + -4w = -7w
9 + -7w = -21 + 4w + -4w

Combine like terms: 4w + -4w = 0
9 + -7w = -21 + 0
9 + -7w = -21

Add '-9' to each side of the equation.
9 + -9 + -7w = -21 + -9

Combine like terms: 9 + -9 = 0
0 + -7w = -21 + -9
-7w = -21 + -9

Combine like terms: -21 + -9 = -30
-7w = -30

Divide each side by '-7'.
w = 4.285714286

Simplifying
w = 4.285714286

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