3x+6+x+5=90

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Solution for 3x+6+x+5=90 equation: 


Simplifying
3x + 6 + x + 5 = 90

Reorder the terms:
6 + 5 + 3x + x = 90

Combine like terms: 6 + 5 = 11
11 + 3x + x = 90

Combine like terms: 3x + x = 4x
11 + 4x = 90

Solving
11 + 4x = 90

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 + 4x = 90 + -11

Combine like terms: 11 + -11 = 0
0 + 4x = 90 + -11
4x = 90 + -11

Combine like terms: 90 + -11 = 79
4x = 79

Divide each side by '4'.
x = 19.75

Simplifying
x = 19.75

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