3x+63=84

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Solution for 3x+63=84 equation: 


Simplifying
3x + 63 = 84

Reorder the terms:
63 + 3x = 84

Solving
63 + 3x = 84

Solving for variable 'x'.

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

Add '-63' to each side of the equation.
63 + -63 + 3x = 84 + -63

Combine like terms: 63 + -63 = 0
0 + 3x = 84 + -63
3x = 84 + -63

Combine like terms: 84 + -63 = 21
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

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