15y+100=120-20y

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Solution for 15y+100=120-20y equation:


Simplifying
15y + 100 = 120 + -20y

Reorder the terms:
100 + 15y = 120 + -20y

Solving
100 + 15y = 120 + -20y

Solving for variable 'y'.

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

Add '20y' to each side of the equation.
100 + 15y + 20y = 120 + -20y + 20y

Combine like terms: 15y + 20y = 35y
100 + 35y = 120 + -20y + 20y

Combine like terms: -20y + 20y = 0
100 + 35y = 120 + 0
100 + 35y = 120

Add '-100' to each side of the equation.
100 + -100 + 35y = 120 + -100

Combine like terms: 100 + -100 = 0
0 + 35y = 120 + -100
35y = 120 + -100

Combine like terms: 120 + -100 = 20
35y = 20

Divide each side by '35'.
y = 0.5714285714

Simplifying
y = 0.5714285714

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