-56=(7w-42)-(12w+4)

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Solution for -56=(7w-42)-(12w+4) equation:


Simplifying
-56 = (7w + -42) + -1(12w + 4)

Reorder the terms:
-56 = (-42 + 7w) + -1(12w + 4)

Remove parenthesis around (-42 + 7w)
-56 = -42 + 7w + -1(12w + 4)

Reorder the terms:
-56 = -42 + 7w + -1(4 + 12w)
-56 = -42 + 7w + (4 * -1 + 12w * -1)
-56 = -42 + 7w + (-4 + -12w)

Reorder the terms:
-56 = -42 + -4 + 7w + -12w

Combine like terms: -42 + -4 = -46
-56 = -46 + 7w + -12w

Combine like terms: 7w + -12w = -5w
-56 = -46 + -5w

Solving
-56 = -46 + -5w

Solving for variable 'w'.

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

Add '5w' to each side of the equation.
-56 + 5w = -46 + -5w + 5w

Combine like terms: -5w + 5w = 0
-56 + 5w = -46 + 0
-56 + 5w = -46

Add '56' to each side of the equation.
-56 + 56 + 5w = -46 + 56

Combine like terms: -56 + 56 = 0
0 + 5w = -46 + 56
5w = -46 + 56

Combine like terms: -46 + 56 = 10
5w = 10

Divide each side by '5'.
w = 2

Simplifying
w = 2

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