3+5(15-w)=7(w-2)-4

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Solution for 3+5(15-w)=7(w-2)-4 equation:


Simplifying
3 + 5(15 + -1w) = 7(w + -2) + -4
3 + (15 * 5 + -1w * 5) = 7(w + -2) + -4
3 + (75 + -5w) = 7(w + -2) + -4

Combine like terms: 3 + 75 = 78
78 + -5w = 7(w + -2) + -4

Reorder the terms:
78 + -5w = 7(-2 + w) + -4
78 + -5w = (-2 * 7 + w * 7) + -4
78 + -5w = (-14 + 7w) + -4

Reorder the terms:
78 + -5w = -14 + -4 + 7w

Combine like terms: -14 + -4 = -18
78 + -5w = -18 + 7w

Solving
78 + -5w = -18 + 7w

Solving for variable 'w'.

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

Add '-7w' to each side of the equation.
78 + -5w + -7w = -18 + 7w + -7w

Combine like terms: -5w + -7w = -12w
78 + -12w = -18 + 7w + -7w

Combine like terms: 7w + -7w = 0
78 + -12w = -18 + 0
78 + -12w = -18

Add '-78' to each side of the equation.
78 + -78 + -12w = -18 + -78

Combine like terms: 78 + -78 = 0
0 + -12w = -18 + -78
-12w = -18 + -78

Combine like terms: -18 + -78 = -96
-12w = -96

Divide each side by '-12'.
w = 8

Simplifying
w = 8

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