5x+(3+6x)=91

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Solution for 5x+(3+6x)=91 equation:


Simplifying
5x + (3 + 6x) = 91

Remove parenthesis around (3 + 6x)
5x + 3 + 6x = 91

Reorder the terms:
3 + 5x + 6x = 91

Combine like terms: 5x + 6x = 11x
3 + 11x = 91

Solving
3 + 11x = 91

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 11x = 91 + -3

Combine like terms: 3 + -3 = 0
0 + 11x = 91 + -3
11x = 91 + -3

Combine like terms: 91 + -3 = 88
11x = 88

Divide each side by '11'.
x = 8

Simplifying
x = 8

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