3x-10=-20

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Solution for 3x-10=-20 equation: 


Simplifying
3x + -10 = -20

Reorder the terms:
-10 + 3x = -20

Solving
-10 + 3x = -20

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 = -20 + 10

Combine like terms: -10 + 10 = 0
0 + 3x = -20 + 10
3x = -20 + 10

Combine like terms: -20 + 10 = -10
3x = -10

Divide each side by '3'.
x = -3.333333333

Simplifying
x = -3.333333333

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