30+3x=51

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Solution for 30+3x=51 equation: 


Simplifying
30 + 3x = 51

Solving
30 + 3x = 51

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 3x = 51 + -30

Combine like terms: 30 + -30 = 0
0 + 3x = 51 + -30
3x = 51 + -30

Combine like terms: 51 + -30 = 21
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

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