3w-13=7(w-7)

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Solution for 3w-13=7(w-7) equation:


Simplifying
3w + -13 = 7(w + -7)

Reorder the terms:
-13 + 3w = 7(w + -7)

Reorder the terms:
-13 + 3w = 7(-7 + w)
-13 + 3w = (-7 * 7 + w * 7)
-13 + 3w = (-49 + 7w)

Solving
-13 + 3w = -49 + 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.
-13 + 3w + -7w = -49 + 7w + -7w

Combine like terms: 3w + -7w = -4w
-13 + -4w = -49 + 7w + -7w

Combine like terms: 7w + -7w = 0
-13 + -4w = -49 + 0
-13 + -4w = -49

Add '13' to each side of the equation.
-13 + 13 + -4w = -49 + 13

Combine like terms: -13 + 13 = 0
0 + -4w = -49 + 13
-4w = -49 + 13

Combine like terms: -49 + 13 = -36
-4w = -36

Divide each side by '-4'.
w = 9

Simplifying
w = 9

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