5(20-y)+10y=165

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Solution for 5(20-y)+10y=165 equation:


Simplifying
5(20 + -1y) + 10y = 165
(20 * 5 + -1y * 5) + 10y = 165
(100 + -5y) + 10y = 165

Combine like terms: -5y + 10y = 5y
100 + 5y = 165

Solving
100 + 5y = 165

Solving for variable 'y'.

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

Add '-100' to each side of the equation.
100 + -100 + 5y = 165 + -100

Combine like terms: 100 + -100 = 0
0 + 5y = 165 + -100
5y = 165 + -100

Combine like terms: 165 + -100 = 65
5y = 65

Divide each side by '5'.
y = 13

Simplifying
y = 13

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