3x-55+6x=80

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Solution for 3x-55+6x=80 equation:


Simplifying
3x + -55 + 6x = 80

Reorder the terms:
-55 + 3x + 6x = 80

Combine like terms: 3x + 6x = 9x
-55 + 9x = 80

Solving
-55 + 9x = 80

Solving for variable 'x'.

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

Add '55' to each side of the equation.
-55 + 55 + 9x = 80 + 55

Combine like terms: -55 + 55 = 0
0 + 9x = 80 + 55
9x = 80 + 55

Combine like terms: 80 + 55 = 135
9x = 135

Divide each side by '9'.
x = 15

Simplifying
x = 15

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