7Y+9(18-Y)=150

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Solution for 7Y+9(18-Y)=150 equation:


Simplifying
7Y + 9(18 + -1Y) = 150
7Y + (18 * 9 + -1Y * 9) = 150
7Y + (162 + -9Y) = 150

Reorder the terms:
162 + 7Y + -9Y = 150

Combine like terms: 7Y + -9Y = -2Y
162 + -2Y = 150

Solving
162 + -2Y = 150

Solving for variable 'Y'.

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

Add '-162' to each side of the equation.
162 + -162 + -2Y = 150 + -162

Combine like terms: 162 + -162 = 0
0 + -2Y = 150 + -162
-2Y = 150 + -162

Combine like terms: 150 + -162 = -12
-2Y = -12

Divide each side by '-2'.
Y = 6

Simplifying
Y = 6

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