5x+x+3+4x+1+7=81

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Solution for 5x+x+3+4x+1+7=81 equation:


Simplifying
5x + x + 3 + 4x + 1 + 7 = 81

Reorder the terms:
3 + 1 + 7 + 5x + x + 4x = 81

Combine like terms: 3 + 1 = 4
4 + 7 + 5x + x + 4x = 81

Combine like terms: 4 + 7 = 11
11 + 5x + x + 4x = 81

Combine like terms: 5x + x = 6x
11 + 6x + 4x = 81

Combine like terms: 6x + 4x = 10x
11 + 10x = 81

Solving
11 + 10x = 81

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + 10x = 81 + -11

Combine like terms: 11 + -11 = 0
0 + 10x = 81 + -11
10x = 81 + -11

Combine like terms: 81 + -11 = 70
10x = 70

Divide each side by '10'.
x = 7

Simplifying
x = 7

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