5(x+9)+16=81

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Solution for 5(x+9)+16=81 equation:


Simplifying
5(x + 9) + 16 = 81

Reorder the terms:
5(9 + x) + 16 = 81
(9 * 5 + x * 5) + 16 = 81
(45 + 5x) + 16 = 81

Reorder the terms:
45 + 16 + 5x = 81

Combine like terms: 45 + 16 = 61
61 + 5x = 81

Solving
61 + 5x = 81

Solving for variable 'x'.

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

Add '-61' to each side of the equation.
61 + -61 + 5x = 81 + -61

Combine like terms: 61 + -61 = 0
0 + 5x = 81 + -61
5x = 81 + -61

Combine like terms: 81 + -61 = 20
5x = 20

Divide each side by '5'.
x = 4

Simplifying
x = 4

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