30=10-2x

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Solution for 30=10-2x equation: 


Simplifying
30 = 10 + -2x

Solving
30 = 10 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
30 + 2x = 10 + -2x + 2x

Combine like terms: -2x + 2x = 0
30 + 2x = 10 + 0
30 + 2x = 10

Add '-30' to each side of the equation.
30 + -30 + 2x = 10 + -30

Combine like terms: 30 + -30 = 0
0 + 2x = 10 + -30
2x = 10 + -30

Combine like terms: 10 + -30 = -20
2x = -20

Divide each side by '2'.
x = -10

Simplifying
x = -10

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