7(10-3w)=55(15-4w)

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Solution for 7(10-3w)=55(15-4w) equation:


Simplifying
7(10 + -3w) = 55(15 + -4w)
(10 * 7 + -3w * 7) = 55(15 + -4w)
(70 + -21w) = 55(15 + -4w)
70 + -21w = (15 * 55 + -4w * 55)
70 + -21w = (825 + -220w)

Solving
70 + -21w = 825 + -220w

Solving for variable 'w'.

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

Add '220w' to each side of the equation.
70 + -21w + 220w = 825 + -220w + 220w

Combine like terms: -21w + 220w = 199w
70 + 199w = 825 + -220w + 220w

Combine like terms: -220w + 220w = 0
70 + 199w = 825 + 0
70 + 199w = 825

Add '-70' to each side of the equation.
70 + -70 + 199w = 825 + -70

Combine like terms: 70 + -70 = 0
0 + 199w = 825 + -70
199w = 825 + -70

Combine like terms: 825 + -70 = 755
199w = 755

Divide each side by '199'.
w = 3.793969849

Simplifying
w = 3.793969849

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