81-7+36+27-54=9y(18+3)-7

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Solution for 81-7+36+27-54=9y(18+3)-7 equation:


Simplifying
81 + -7 + 36 + 27 + -54 = 9y(18 + 3) + -7

Combine like terms: 81 + -7 = 74
74 + 36 + 27 + -54 = 9y(18 + 3) + -7

Combine like terms: 74 + 36 = 110
110 + 27 + -54 = 9y(18 + 3) + -7

Combine like terms: 110 + 27 = 137
137 + -54 = 9y(18 + 3) + -7

Combine like terms: 137 + -54 = 83
83 = 9y(18 + 3) + -7

Combine like terms: 18 + 3 = 21
83 = 9y(21) + -7

Reorder the terms for easier multiplication:
83 = 9 * 21y + -7

Multiply 9 * 21
83 = 189y + -7

Reorder the terms:
83 = -7 + 189y

Solving
83 = -7 + 189y

Solving for variable 'y'.

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

Add '-189y' to each side of the equation.
83 + -189y = -7 + 189y + -189y

Combine like terms: 189y + -189y = 0
83 + -189y = -7 + 0
83 + -189y = -7

Add '-83' to each side of the equation.
83 + -83 + -189y = -7 + -83

Combine like terms: 83 + -83 = 0
0 + -189y = -7 + -83
-189y = -7 + -83

Combine like terms: -7 + -83 = -90
-189y = -90

Divide each side by '-189'.
y = 0.4761904762

Simplifying
y = 0.4761904762

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