3x+51=90

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Solution for 3x+51=90 equation: 


Simplifying
3x + 51 = 90

Reorder the terms:
51 + 3x = 90

Solving
51 + 3x = 90

Solving for variable 'x'.

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

Add '-51' to each side of the equation.
51 + -51 + 3x = 90 + -51

Combine like terms: 51 + -51 = 0
0 + 3x = 90 + -51
3x = 90 + -51

Combine like terms: 90 + -51 = 39
3x = 39

Divide each side by '3'.
x = 13

Simplifying
x = 13

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