91-3x=9+19

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Solution for 91-3x=9+19 equation: 


Simplifying
91 + -3x = 9 + 19

Combine like terms: 9 + 19 = 28
91 + -3x = 28

Solving
91 + -3x = 28

Solving for variable 'x'.

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

Add '-91' to each side of the equation.
91 + -91 + -3x = 28 + -91

Combine like terms: 91 + -91 = 0
0 + -3x = 28 + -91
-3x = 28 + -91

Combine like terms: 28 + -91 = -63
-3x = -63

Divide each side by '-3'.
x = 21

Simplifying
x = 21

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