-4(5w+7)=-2(9w-1)

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Solution for -4(5w+7)=-2(9w-1) equation:


Simplifying
-4(5w + 7) = -2(9w + -1)

Reorder the terms:
-4(7 + 5w) = -2(9w + -1)
(7 * -4 + 5w * -4) = -2(9w + -1)
(-28 + -20w) = -2(9w + -1)

Reorder the terms:
-28 + -20w = -2(-1 + 9w)
-28 + -20w = (-1 * -2 + 9w * -2)
-28 + -20w = (2 + -18w)

Solving
-28 + -20w = 2 + -18w

Solving for variable 'w'.

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

Add '18w' to each side of the equation.
-28 + -20w + 18w = 2 + -18w + 18w

Combine like terms: -20w + 18w = -2w
-28 + -2w = 2 + -18w + 18w

Combine like terms: -18w + 18w = 0
-28 + -2w = 2 + 0
-28 + -2w = 2

Add '28' to each side of the equation.
-28 + 28 + -2w = 2 + 28

Combine like terms: -28 + 28 = 0
0 + -2w = 2 + 28
-2w = 2 + 28

Combine like terms: 2 + 28 = 30
-2w = 30

Divide each side by '-2'.
w = -15

Simplifying
w = -15

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