0.8y+13(y+9)=186

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Solution for 0.8y+13(y+9)=186 equation:


Simplifying
0.8y + 13(y + 9) = 186

Reorder the terms:
0.8y + 13(9 + y) = 186
0.8y + (9 * 13 + y * 13) = 186
0.8y + (117 + 13y) = 186

Reorder the terms:
117 + 0.8y + 13y = 186

Combine like terms: 0.8y + 13y = 13.8y
117 + 13.8y = 186

Solving
117 + 13.8y = 186

Solving for variable 'y'.

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

Add '-117' to each side of the equation.
117 + -117 + 13.8y = 186 + -117

Combine like terms: 117 + -117 = 0
0 + 13.8y = 186 + -117
13.8y = 186 + -117

Combine like terms: 186 + -117 = 69
13.8y = 69

Divide each side by '13.8'.
y = 5

Simplifying
y = 5

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