3x+10=21

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Solution for 3x+10=21 equation: 


Simplifying
3x + 10 = 21

Reorder the terms:
10 + 3x = 21

Solving
10 + 3x = 21

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + 3x = 21 + -10

Combine like terms: 10 + -10 = 0
0 + 3x = 21 + -10
3x = 21 + -10

Combine like terms: 21 + -10 = 11
3x = 11

Divide each side by '3'.
x = 3.666666667

Simplifying
x = 3.666666667

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