5x+3(x+11)=81

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Solution for 5x+3(x+11)=81 equation:


Simplifying
5x + 3(x + 11) = 81

Reorder the terms:
5x + 3(11 + x) = 81
5x + (11 * 3 + x * 3) = 81
5x + (33 + 3x) = 81

Reorder the terms:
33 + 5x + 3x = 81

Combine like terms: 5x + 3x = 8x
33 + 8x = 81

Solving
33 + 8x = 81

Solving for variable 'x'.

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

Add '-33' to each side of the equation.
33 + -33 + 8x = 81 + -33

Combine like terms: 33 + -33 = 0
0 + 8x = 81 + -33
8x = 81 + -33

Combine like terms: 81 + -33 = 48
8x = 48

Divide each side by '8'.
x = 6

Simplifying
x = 6

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