7(10-3w)=5(16-4w)

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Solution for 7(10-3w)=5(16-4w) equation:


Simplifying
7(10 + -3w) = 5(16 + -4w)
(10 * 7 + -3w * 7) = 5(16 + -4w)
(70 + -21w) = 5(16 + -4w)
70 + -21w = (16 * 5 + -4w * 5)
70 + -21w = (80 + -20w)

Solving
70 + -21w = 80 + -20w

Solving for variable 'w'.

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

Add '20w' to each side of the equation.
70 + -21w + 20w = 80 + -20w + 20w

Combine like terms: -21w + 20w = -1w
70 + -1w = 80 + -20w + 20w

Combine like terms: -20w + 20w = 0
70 + -1w = 80 + 0
70 + -1w = 80

Add '-70' to each side of the equation.
70 + -70 + -1w = 80 + -70

Combine like terms: 70 + -70 = 0
0 + -1w = 80 + -70
-1w = 80 + -70

Combine like terms: 80 + -70 = 10
-1w = 10

Divide each side by '-1'.
w = -10

Simplifying
w = -10

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