10y-5y+20(5+y)=300

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Solution for 10y-5y+20(5+y)=300 equation:


Simplifying
10y + -5y + 20(5 + y) = 300
10y + -5y + (5 * 20 + y * 20) = 300
10y + -5y + (100 + 20y) = 300

Reorder the terms:
100 + 10y + -5y + 20y = 300

Combine like terms: 10y + -5y = 5y
100 + 5y + 20y = 300

Combine like terms: 5y + 20y = 25y
100 + 25y = 300

Solving
100 + 25y = 300

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 + 25y = 300 + -100

Combine like terms: 100 + -100 = 0
0 + 25y = 300 + -100
25y = 300 + -100

Combine like terms: 300 + -100 = 200
25y = 200

Divide each side by '25'.
y = 8

Simplifying
y = 8

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